Array read by descending antidiagonals: T(n,k) is the number of achiral colorings of the facets of a regular n-dimensional orthoplex using up to k colors.

A325015

Array read by descending antidiagonals: T(n,k) is the number of achiral colorings of the facets of a regular n-dimensional orthoplex using up to k colors.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =3a(4) =6a(5) =1a(6) =4a(7) =18a(8) =21a(9) =1a(10) =5a(11) =40a(12) =201a(13) =308a(14) =1a(15) =6a(16) =75a(17) =1076a(18) =34128a(19) =180342a(20) =1a(21) =7a(22) =126a(23) =4025a(24) =1056576a(25) =2945136213a(26) =366975285216a(27) =1a(28) =8a(29) =196

External references