Expansion of e.g.f. tanh(exp(x)*x).

Terms

a(0) =0a(1) =1a(2) =2a(3) =1a(4) =-20a(5) =-159a(6) =-594a(7) =2465a(8) =69560a(9) =665665a(10) =1593850a(11) =-67177791a(12) =-1413216540a(13) =-12990964063a(14) =64480265318