Array read by ascending antidiagonals: A(n, k) = (n + 1)*binomial(2*k + n - 1, k - 1)^2 / (2*k + n - 1) for k > 0, and A(n, 0) = 0.

A378062

Array read by ascending antidiagonals: A(n, k) = (n + 1)*binomial(2*k + n - 1, k - 1)^2 / (2*k + n - 1) for k > 0, and A(n, 0) = 0.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =0a(4) =1a(5) =3a(6) =0a(7) =1a(8) =8a(9) =20a(10) =0a(11) =1a(12) =15a(13) =75a(14) =175a(15) =0a(16) =1a(17) =24a(18) =189a(19) =784a(20) =1764a(21) =0a(22) =1a(23) =35a(24) =392a(25) =2352a(26) =8820a(27) =19404a(28) =0a(29) =1

External references