a(n) = Sum_{k=0..n} k^n*binomial(2*n-k,n).

A302353

a(n) = Sum_{k=0..n} k^n*binomial(2*n-k,n).

Terms

    a(0) =1a(1) =1a(2) =7a(3) =69a(4) =936a(5) =16290a(6) =345857a(7) =8666413a(8) =250355800a(9) =8191830942a(10) =299452606190

External references