Triangle read by rows, T(n,k) = RF(n-k+1, n-k) * S1(n,k) where RF denotes the rising factorial and S1 the Stirling cycle numbers, for n>=0 and 0<=k<=n.

A268436

Triangle read by rows, T(n,k) = RF(n-k+1, n-k) * S1(n,k) where RF denotes the rising factorial and S1 the Stirling cycle numbers, for n>=0 and 0<=k<=n.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =1a(6) =0a(7) =24a(8) =6a(9) =1a(10) =0a(11) =720a(12) =132a(13) =12a(14) =1a(15) =0a(16) =40320a(17) =6000a(18) =420a(19) =20a(20) =1a(21) =0a(22) =3628800a(23) =460320a(24) =27000a(25) =1020a(26) =30a(27) =1a(28) =0a(29) =479001600

External references