Triangle read by rows: T(n,k) is the number of oriented colorings of the facets of a regular n-dimensional orthoplex using exactly k colors. Row n has 2^n columns.
A325016
Triangle read by rows: T(n,k) is the number of oriented colorings of the facets of a regular n-dimensional orthoplex using exactly k colors. Row n has 2^n columns.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =4a(4) =9a(5) =6a(6) =1a(7) =21a(8) =267a(9) =1718a(10) =5250a(11) =7980a(12) =5880a(13) =1680a(14) =1a(15) =494a(16) =228591a(17) =21539424a(18) =685479375a(19) =10257064650a(20) =86151316860a(21) =449772354360a(28) =817296480000a(29) =108972864000
External references
- oeis: A325016