Triangle read by rows. T(n, k) = A000326(n - k + 1) * T(n, k - 1) + T(n - 1, k) for 0 < k < n. T(n, 0) = 1 and T(n, n) = T(n, n - 1) if n > 0.
A366138
Triangle read by rows. T(n, k) = A000326(n - k + 1) * T(n, k - 1) + T(n - 1, k) for 0 < k < n. T(n, 0) = 1 and T(n, n) = T(n, n - 1) if n > 0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =6a(5) =6a(6) =1a(7) =18a(8) =96a(9) =96a(10) =1a(11) =40a(12) =576a(13) =2976a(14) =2976a(15) =1a(16) =75a(17) =2226a(18) =29688a(19) =151416a(20) =151416a(21) =1a(22) =126a(23) =6636a(24) =175680a(25) =2259576a(26) =11449296a(27) =11449296a(28) =1a(29) =196
External references
- oeis: A366138