Triangle read by rows, interpolating between the central binomial coefficients and the central coefficients of the Catalan triangle. T(n, k) for 0 <= k <= n.

A330798

Triangle read by rows, interpolating between the central binomial coefficients and the central coefficients of the Catalan triangle. T(n, k) for 0 <= k <= n.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =6a(4) =15a(5) =9a(6) =20a(7) =84a(8) =112a(9) =48a(10) =70a(11) =420a(12) =900a(13) =825a(14) =275a(15) =252a(16) =1980a(17) =5940a(18) =8580a(19) =6006a(20) =1638a(21) =924a(22) =9009a(23) =35035a(24) =70070a(25) =76440a(26) =43316a(27) =9996a(28) =3432a(29) =40040

External references