One day, one decomposition
A054217: Primes p with property that p concatenated with its emirp p' (prime reversal) forms a palindromic prime of the form 'primemirp' (rightmost digit of p and leftmost digit of p' are blended together - p and p' palindromic allowed)

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A054217.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A054217.html

#decompwlj #maths #mathematics #sequence #OEIS #javascript #php #3D #primes #primenumbers #concatenated #emirp #palindromic #graph #threejs #webGL

One day, one decomposition
A054211: Numbers k such that k concatenated with k-1 is prime

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A054211.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A054211.html

#decompwlj #maths #mathematics #sequence #OEIS #javascript #php #3D #numbers #concatenated #prime #primenumbers #graph #threejs #webGL

One day, one decomposition
A030459: Prime p concatenated with next prime is also prime

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

#decompwlj #maths #mathematics #sequence #OEIS #javascript #php #3D #concatenated #prime #PrimeNumbers #graph #threejs #webGL

One day, one decomposition
A030457: Numbers k such that k concatenated with k+1 is prime

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

#decompwlj #maths #mathematics #sequence #OEIS #javascript #php #3D #numbers #concatenated #prime #primenumbers #graph #threejs #webGL