Array read by descending antidiagonals: T(n,k) is the number of achiral colorings of the edges of a regular n-dimensional orthotope (hypercube) using k or fewer colors.
A337410
Array read by descending antidiagonals: T(n,k) is the number of achiral 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) =18a(8) =70a(9) =1a(10) =5a(11) =40a(12) =1407a(13) =93024a(14) =1a(15) =6a(16) =75a(17) =12480a(18) =294157089a(20) =1a(21) =7a(22) =126a(23) =69050a(24) =91983927296a(27) =1
External references
- oeis: A337410