Triangle read by rows. T(n, k) = ((n - k + 1)*(n - k + 2)/2) * T(n, k - 1) + T(n - 1, k) for 0 < k < n, T(n, 0) = 1 and T(n, n) = T(n, n - 1) for n > 0.
A365674
Triangle read by rows. T(n, k) = ((n - k + 1)*(n - k + 2)/2) * T(n, k - 1) + T(n - 1, k) for 0 < k < n, T(n, 0) = 1 and T(n, n) = T(n, n - 1) for n > 0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =4a(6) =1a(7) =10a(8) =34a(9) =34a(10) =1a(11) =20a(12) =154a(13) =496a(14) =496a(15) =1a(16) =35a(17) =504a(18) =3520a(19) =11056a(20) =11056a(21) =1a(22) =56a(23) =1344a(24) =16960a(25) =112816a(26) =349504a(27) =349504a(28) =1a(29) =84
External references
- oeis: A365674