a(n) = n! * [x^n] exp(x*exp(n*x)).

A295552

a(n) = n! * [x^n] exp(x*exp(n*x)).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =46a(4) =689a(5) =15476a(6) =483157a(7) =19719022a(8) =1009495489a(9) =63119450152

External references