Expansion of e.g.f. 1 / (1 - x * log(1 + x^2/2)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =3a(4) =0a(5) =-15a(6) =180a(7) =210a(8) =-5040a(9) =39690a(10) =207900a(11) =-3492720a(12) =17463600a(13) =324324000a(14) =-4411887480a(15) =4013509500a(16) =811847836800