One day, one decomposition
A134600: Composite #numbers such that the square mean of their prime factors is an integer (where the prime factors are taken with multiplicity and the square mean of c and d is sqrt((c^2+d^2)/2))
3D graph, threejs - webGL https://decompwlj.com/3Dgraph/A134600.html
2D graph, first 500 terms https://decompwlj.com/2Dgraph500terms/A134600.html