Expansion of e.g.f. Sum_{k>=1} sinh(x^k).

Terms

a(0) =1a(1) =2a(2) =7a(3) =24a(4) =121a(5) =840a(6) =5041a(7) =40320a(8) =423361a(9) =3659040a(10) =39916801a(11) =558835200a(12) =6227020801a(13) =87195588480