T(n, k) = binomial(2*n - 1 - k, k - 1)*hypergeom([2, 2, 1-k], [1, 1 - 2*k + 2*n], -1), triangle read by rows, T(n, k) for n >= 1 and 1 <= k <= n.

A320905

T(n, k) = binomial(2*n - 1 - k, k - 1)*hypergeom([2, 2, 1-k], [1, 1 - 2*k + 2*n], -1), triangle read by rows, T(n, k) for n >= 1 and 1 <= k <= n.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =1a(4) =7a(5) =18a(6) =1a(7) =9a(8) =31a(9) =56a(10) =1a(11) =11a(12) =48a(13) =111a(14) =160a(15) =1a(16) =13a(17) =69a(18) =198a(19) =351a(20) =432a(21) =1a(22) =15a(23) =94a(24) =325a(25) =699a(26) =1023a(27) =1120a(28) =1a(29) =17

External references