Array read by descending antidiagonals: T(n,k) is the number of oriented colorings of the edges of a regular n-dimensional orthotope (hypercube) using k or fewer colors.
A337407
Array read by descending antidiagonals: T(n,k) is the number of oriented colorings of the edges of a regular n-dimensional orthotope (hypercube) using k or fewer colors.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =3a(4) =6a(5) =1a(6) =4a(7) =24a(8) =218a(9) =1a(10) =5a(11) =70a(12) =22815a(13) =22409620a(14) =1a(15) =6a(16) =165a(17) =703760a(20) =1a(21) =7a(22) =336a(23) =10194250a(27) =1
External references
- oeis: A337407