Expansion of A(x)^2, where A(x) = o.g.f. of n^n (A000312).

A100262

Expansion of A(x)^2, where A(x) = o.g.f. of n^n (A000312).

Terms

    a(0) =1a(1) =2a(2) =9a(3) =62a(4) =582a(5) =6978a(6) =102339a(7) =1779222a(8) =35809052a(9) =819103178a(10) =20987183525a(11) =595341928814

External references