One day, one decomposition
A247681: Odd nonprimes congruent to 1 modulo 9
3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A247681.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A247681.html
#decompwlj #math #mathematics #sequence #OEIS #javascript #php #3D #odd #nonprimes #numbers #congruent #modulo #graph #threejs #webGL