Triangle read by rows: T(n, k) = 2^(2*n)*JacobiP(n - k, k, -1/2 - n, -1).

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =24a(5) =16a(6) =20a(7) =120a(8) =160a(9) =64a(10) =70a(11) =560a(12) =1120a(13) =896a(14) =256a(15) =252a(16) =2520a(17) =6720a(18) =8064a(19) =4608a(20) =1024a(21) =924a(22) =11088a(23) =36960a(24) =59136a(25) =50688a(26) =22528a(27) =4096a(28) =3432a(29) =48048