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

A380020

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

Terms

    a(0) =1a(1) =2a(2) =8a(3) =55a(4) =540a(5) =6861a(6) =106828a(7) =1968443a(8) =41884496a(9) =1010558161a(10) =27259824996a(11) =812935829355

External references