Triangle read by rows, Stirling cycle numbers of order 2, T(n, n) = 1, T(n, k) = 0 if k < 0 or k > n, otherwise T(n, k) = T(n-1, k-1) + (n-1)^2*T(n-1, k), for 0 <= k <= n.
A269944
Triangle read by rows, Stirling cycle numbers of order 2, T(n, n) = 1, T(n, k) = 0 if k < 0 or k > n, otherwise T(n, k) = T(n-1, k-1) + (n-1)^2*T(n-1, k), for 0 <= k <= n.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =4a(8) =5a(9) =1a(10) =0a(11) =36a(12) =49a(13) =14a(14) =1a(15) =0a(16) =576a(17) =820a(18) =273a(19) =30a(20) =1a(21) =0a(22) =14400a(23) =21076a(24) =7645a(25) =1023a(26) =55a(27) =1a(28) =0a(29) =518400
External references
- oeis: A269944