Triangle T(n,k) read by rows: T(n, k) = (m*n - m*k + 1)*T(n - 1, k - 1) + (5*k - 4)*(m*k - (m - 1))*T(n - 1, k) where m = 0.

A166973

Triangle T(n,k) read by rows: T(n, k) = (m*n - m*k + 1)*T(n - 1, k - 1) + (5*k - 4)*(m*k - (m - 1))*T(n - 1, k) where m = 0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =1a(7) =43a(8) =18a(9) =1a(10) =1a(11) =259a(12) =241a(13) =34a(14) =1a(15) =1a(16) =1555a(17) =2910a(18) =785a(19) =55a(20) =1a(21) =1a(22) =9331a(23) =33565a(24) =15470a(25) =1940a(26) =81a(27) =1a(28) =1a(29) =55987

External references