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

A066382

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

Terms

    a(0) =1a(1) =2a(2) =11a(3) =130a(4) =2517a(5) =68406a(6) =2391496a(7) =102022810a(8) =5130659561a(9) =296881218694

External references