OFFSET
1,2
LINKS
Marko Riedel et al., coloring cube sides and vertices
FORMULA
H(N,M) = (1/24) (N^6 M^8 + 6 N^3 M^2 + 3 N^4 M^4 + 8 N^2 M^4 + 6 N^3 M^4).
Cycle index is (1/24)*(a1^6 b1^8 + 6 a1^2 a4 b4^2 + 3 a1^2 a2^2 b2^4 + 8 a3^2 b1^2 b3^2 + 6 a2^3 b2^4).
EXAMPLE
Square array begins:
1, 10, 57, 240, 800, ...
23, 776, 8121, 44608, 168675, ...
333, 17946, 200961, 1124208, 4281300, ...
2916, 176160, 1995852, 11198720, 42697300, ...
CROSSREFS
KEYWORD
AUTHOR
Marko Riedel, Jun 24 2018
STATUS
approved