Array read by descending antidiagonals: T(n,k) is the number of unoriented colorings of the square faces of a regular n-dimensional orthotope (hypercube) using k or fewer colors.
A337888
Array read by descending antidiagonals: T(n,k) is the number of unoriented colorings of the square faces of a regular n-dimensional orthotope (hypercube) using k or fewer colors.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =3a(4) =10a(5) =1a(6) =4a(7) =56a(8) =49127a(9) =1a(10) =5a(11) =220a(12) =740360358a(14) =1a(15) =6a(16) =680a(17) =733776248840a(20) =1
External references
- oeis: A337888