G.f. satisfies A(x) = 1 + x*A(x) / (1 + x)^5.

Terms

a(0) =1a(1) =1a(2) =-4a(3) =6a(4) =6a(5) =-49a(6) =95a(7) =24a(8) =-592a(9) =1417a(10) =-414a(11) =-6809a(12) =20142a(13) =-14831a(14) =-73353a(15) =274761a(16) =-311105a(17) =-715647a(18) =3607624a(19) =-5463428a(20) =-5785294a(21) =45588556a(22) =-87189477a(23) =-25565196a(24) =552659892a(25) =-1305250324a(26) =340413165a(27) =6379267117a(28) =-18606431142a(29) =13202513476