Apéry-like numbers Sum_{k=0..n} Sum_{l=0..n} (C(n,k)^2*C(n,l)*C(k,l)*C(k+l,n)).
A290576
Apéry-like numbers Sum_{k=0..n} Sum_{l=0..n} (C(n,k)^2*C(n,l)*C(k,l)*C(k+l,n)).
Terms
- a(0) =1a(1) =3a(2) =27a(3) =309a(4) =4059a(5) =57753a(6) =866349a(7) =13492251a(8) =216077787a(9) =3536145057a(10) =58875891777a(11) =994150929951
External references
- oeis: A290576