Triangle T(n,k) read by rows: T(n,k) = (m*n - m*k + 1)*T(n - 1, k - 1) + k*(m*k - (m - 1))*T(n - 1, k) where m = 2.

A166961

Triangle T(n,k) read by rows: T(n,k) = (m*n - m*k + 1)*T(n - 1, k - 1) + k*(m*k - (m - 1))*T(n - 1, k) where m = 2.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =9a(5) =1a(6) =1a(7) =59a(8) =42a(9) =1a(10) =1a(11) =361a(12) =925a(13) =154a(14) =1a(15) =1a(16) =2175a(17) =16402a(18) =8937a(19) =507a(20) =1a(21) =1a(22) =13061a(23) =265605a(24) =365050a(25) =67500a(26) =1587a(27) =1a(28) =1a(29) =78379

External references