A031396: Numbers k such that Pell equation x^2 - k*y^2 = -1 is soluble
A031396 ➡️ https://oeis.org/A031396

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A031396.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A031396.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A031396.html

#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

150 sequences decomposed into weight × level + jump in one GIF (log(weight),log(level)):
1000 sequences decomposed on https://decompwlj.com

#decompwlj #math #mathematics #maths #sequence #OEIS #graph #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

A031368: Odd-indexed primes: a(n) = prime(2n-1)
A031368 ➡️ https://oeis.org/A031368

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A031368.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A031368.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A031368.html

#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

A031157: Lucky primes: numbers that are both lucky and prime
A031157 ➡️ https://oeis.org/A031157

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/Lucky_primes.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/Lucky_primes.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/Lucky_primes.html

#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

A031177: Unhappy numbers: numbers having period-8 2-digitized sequences
A031177 ➡️ https://oeis.org/A031177

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/Unhappy_numbers.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/Unhappy_numbers.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/Unhappy_numbers.html

#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

Decomposition into weight × level + jump of prime numbers in 3D, threejs - webGL (log(weight), log(level), log(jump))
➡️ https://decompwlj.com/3Dgraph/Prime_numbers.html

#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #numbers #primes #PrimeNumbers #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

A030459: Prime p concatenated with next prime is also prime
A030459 ➡️ https://oeis.org/A030459

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A030459.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A030459.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A030459.html

#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

My data have not been verified but my work is highly reproducible.
- Downloads (csv, img, dump) ➡️ https://decompwlj.com/
- Algorithms ➡️ https://oeis.org/wiki/Decomposition_into_weight_*_level_%2B_jump#Algorithms

#decompwlj #math #mathematics #maths #sequence #OEIS #Downloads #Algorithms #PARIGP #numbers #primes #PrimeNumbers #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research

A030457: Numbers k such that k concatenated with k+1 is prime
A030457 ➡️ https://oeis.org/A030457

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A030457.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A030457.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A030457.html

#decompwlj #math #mathematics #maths #sequence #OEIS #JavaScript #php #graph #3D #threejs #webGL #triangular #numbers #primes #PrimeNumbers #palindromes #animation #FundamentalTheoremOfArithmetic #sequences #NumberTheory #classification #integer #decomposition #number #theory #equation #graphs #sieve #fundamental #theorem #arithmetic #research