Numerators of the rational sequence with e.g.f. 1/(1+exp(-x)).

Terms

a(0) =1a(1) =1a(2) =0a(3) =-1a(4) =0a(5) =1a(6) =0a(7) =-17a(8) =0a(9) =31a(10) =0a(11) =-691a(12) =0a(13) =5461a(14) =0a(15) =-929569a(16) =0a(17) =3202291a(18) =0a(19) =-221930581a(20) =0a(21) =4722116521a(22) =0a(23) =-968383680827a(24) =0a(26) =0a(28) =0a(30) =0a(32) =0a(34) =0