Expansion of e.g.f. log(1 + x*tanh(x/2)) (even powers only).

A296838

Expansion of e.g.f. log(1 + x*tanh(x/2)) (even powers only).

Terms

    a(0) =0a(1) =1a(2) =-4a(3) =48a(4) =-1186a(5) =50060a(6) =-3226206a(7) =294835184a(8) =-36270477034

External references