a(n) = Sum_{k=0..n} (k/n)^3 * binomial(n,k)^5.

A374615

a(n) = Sum_{k=0..n} (k/n)^3 * binomial(n,k)^5.

Terms

    a(0) =1a(1) =5a(2) =82a(3) =1421a(4) =29626a(5) =657662a(6) =15528640a(7) =381137549a(8) =9656742322a(9) =250689517130

External references