E.g.f.: 1 / (1 + x + Sum_{k>=2} prime(k-1) * x^k / k!).

Terms

a(0) =1a(1) =-1a(2) =0a(3) =3a(4) =-5a(5) =-17a(6) =103a(7) =57a(8) =-2707a(9) =6785a(10) =84135a(11) =-659369a(12) =-2129683a(13) =55537445a(14) =-103722105a(15) =-4630217025a(16) =37357780827a(17) =334163569535