A007618: a(n) = a(n-1) + sum of digits of a(n-1), a(1) = 5
A007618 ➡️ https://oeis.org/A007618

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A007618.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A007618.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A007618.html

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A007606: Take 1, skip 2, take 3, etc
A007606 ➡️ https://oeis.org/A007606

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A007606.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A007606.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A007606.html

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A007532: Handsome numbers: sum of positive powers of its digits; a(n) = Sum_{i=1..k} d[i]^e[i] where d[1..k] are the decimal digits of a(n), e[i] > 0 (previous name was "Powerful numbers, Definition (2))
A007532 ➡️ https://oeis.org/A007532

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A007532.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A007532.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A007532.html

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A007528: Primes of the form 6k-1
A007528 ➡️ https://oeis.org/A007528

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A007528.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A007528.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A007528.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

Generation of four sequences decomposed into weight × level + jump (log(weight), log(level), log(jump)) - three.js animation:
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1: The natural numbers (A000027) ➡️ https://decompwlj.com/3DgraphGen/Natural_numbers.html

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A007510: Single (or isolated or non-twin) primes: Primes p such that neither p-2 nor p+2 is prime
A007510 ➡️ https://oeis.org/A007510

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