Triangle T(n,k), n >= 0, 0 <= k <= n, read by rows, where T(n,k) = Sum_{j=k..n} 2^(n-j) * Stirling2(n,j) * Stirling2(j,k).
A383206
Triangle T(n,k), n >= 0, 0 <= k <= n, read by rows, where T(n,k) = Sum_{j=k..n} 2^(n-j) * Stirling2(n,j) * Stirling2(j,k).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =3a(5) =1a(6) =0a(7) =11a(8) =9a(9) =1a(10) =0a(11) =49a(12) =71a(13) =18a(14) =1a(15) =0a(16) =257a(17) =575a(18) =245a(19) =30a(20) =1a(21) =0a(22) =1539a(23) =4957a(24) =3120a(25) =625a(26) =45a(27) =1a(28) =0a(29) =10299
External references
- oeis: A383206