Triangle of numbers T(n,k) = k!*Stirling2(n,k) = A000142(k)*A048993(n,k) read by rows, T(n, k) for 0 <= k <= n.
A131689
Triangle of numbers T(n,k) = k!*Stirling2(n,k) = A000142(k)*A048993(n,k) read by rows, T(n, k) for 0 <= k <= n.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =0a(7) =1a(8) =6a(9) =6a(10) =0a(11) =1a(12) =14a(13) =36a(14) =24a(15) =0a(16) =1a(17) =30a(18) =150a(19) =240a(20) =120a(21) =0a(22) =1a(23) =62a(24) =540a(25) =1560a(26) =1800a(27) =720a(28) =0a(29) =1
External references
- oeis: A131689