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 = 2, read by rows.
A157148
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 = 2, read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =8a(5) =1a(6) =1a(7) =33a(8) =33a(9) =1a(10) =1a(11) =112a(12) =394a(13) =112a(14) =1a(15) =1a(16) =353a(17) =3150a(18) =3150a(19) =353a(20) =1a(21) =1a(22) =1080a(23) =20719a(24) =51192a(25) =20719a(26) =1080a(27) =1a(28) =1a(29) =3265
External references
- oeis: A157148