Expansion of e.g.f. 2/(1 + sqrt(1 + 4*x*exp(x))).

A295239

Expansion of e.g.f. 2/(1 + sqrt(1 + 4*x*exp(x))).

Terms

    a(0) =1a(1) =-1a(2) =2a(3) =-9a(4) =68a(5) =-705a(6) =9234a(7) =-146209a(8) =2717000a(9) =-57986433a(10) =1397949830a(11) =-37576332321

External references