Related to the asymptotic expansion of Sum_{k = 0..n} C(n,k)^4.

A007804

Related to the asymptotic expansion of Sum_{k = 0..n} C(n,k)^4.

Terms

    a(0) =1a(1) =30a(2) =1730a(3) =152340a(4) =18177750a(5) =2742927876a(6) =500848449300

External references