Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where A(n,k) is Sum_{j=0..k} binomial(2*k,2*j)*(n+1)^(k-j)*n^j.

A322790

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where A(n,k) is Sum_{j=0..k} binomial(2*k,2*j)*(n+1)^(k-j)*n^j.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =17a(8) =5a(9) =1a(10) =1a(11) =99a(12) =49a(13) =7a(14) =1a(15) =1a(16) =577a(17) =485a(18) =97a(19) =9a(20) =1a(21) =1a(22) =3363a(23) =4801a(24) =1351a(25) =161a(26) =11a(27) =1a(28) =1a(29) =19601

External references