Triangle read by rows: T(n,k) is the number of oriented colorings of the edges of a regular n-D orthotope (or ridges of a regular n-D orthoplex) using exactly k colors. Row n has n*2^(n-1) columns.
A338142
Triangle read by rows: T(n,k) is the number of oriented colorings of the edges of a regular n-D orthotope (or ridges of a regular n-D orthoplex) using exactly k colors. Row n has n*2^(n-1) columns.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =9a(4) =6a(5) =1a(6) =216a(7) =22164a(8) =613804a(9) =6901425a(10) =39713430a(11) =131754420a(12) =267165360a(13) =336798000a(14) =257796000a(15) =109771200a(16) =19958400a(17) =1a(18) =22409618
External references
- oeis: A338142