Rectangular array A(n, k) = hypergeom([-k, k + n/2 - 1], [1], -4) with row n >= 0 and k >= 0, read by ascending antidiagonals.
A300945
Rectangular array A(n, k) = hypergeom([-k, k + n/2 - 1], [1], -4) with row n >= 0 and k >= 0, read by ascending antidiagonals.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =25a(6) =1a(7) =5a(8) =43a(9) =425a(10) =1a(11) =7a(12) =65a(13) =661a(14) =7025a(15) =1a(16) =9a(17) =91a(18) =965a(19) =10515a(20) =116625a(21) =1a(22) =11a(23) =121a(24) =1345a(25) =15105a(26) =171097a(27) =1951625a(28) =1a(29) =13
External references
- oeis: A300945