Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*k*(n-k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1 and m = 5, read by rows.

A157151

Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*k*(n-k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1 and m = 5, read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =17a(5) =1a(6) =1a(7) =123a(8) =123a(9) =1a(10) =1a(11) =769a(12) =3046a(13) =769a(14) =1a(15) =1a(16) =4655a(17) =49500a(18) =49500a(19) =4655a(20) =1a(21) =1a(22) =27981a(23) =673015a(24) =1721070a(25) =673015a(26) =27981a(27) =1a(28) =1a(29) =167947

External references