Triangle read by rows: T(n,k) is the number of n-colorings of the vertices of the k-dimensional cross polytope such that no two adjacent vertices have the same color. 0 <= k <= n.
A342088
Triangle read by rows: T(n,k) is the number of n-colorings of the vertices of the k-dimensional cross polytope such that no two adjacent vertices have the same color. 0 <= k <= n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =2a(6) =1a(7) =9a(8) =18a(9) =6a(10) =1a(11) =16a(12) =84a(13) =96a(14) =24a(15) =1a(16) =25a(17) =260a(18) =780a(19) =600a(20) =120a(21) =1a(22) =36a(23) =630a(24) =4080a(25) =7560a(26) =4320a(27) =720a(28) =1a(29) =49
External references
- oeis: A342088