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

A388052

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

Terms

    a(0) =1a(1) =1a(2) =3a(3) =1a(4) =5a(5) =5a(6) =1a(7) =7a(8) =25a(9) =7a(10) =1a(11) =9a(12) =61a(13) =129a(14) =9a(15) =1a(16) =11a(17) =113a(18) =575a(19) =681a(20) =11a(21) =1a(22) =13a(23) =181a(24) =1561a(25) =5641a(26) =3653a(27) =13a(28) =1a(29) =15

External references