A000028: Let k = p_1^e_1 p_2^e_2 p_3^e_3 ... be the prime factorization of n. Sequence gives k such that the sum of the numbers of 1's in the binary expansions of e_1, e_2, e_3, ... is odd
A000028 ➡️ https://oeis.org/A000028

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A000028.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A000028.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A000028.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