Expansion of g.f. A(x) satisfying A(x) = x*(1 + A(x)^2) + x^2*(1 + A(x)^2)^2.

Terms

a(0) =1a(1) =1a(2) =1a(3) =4a(4) =7a(5) =17a(6) =47a(7) =112a(8) =302a(9) =819a(10) =2187a(11) =6072a(12) =16863a(13) =47099a(14) =133289a(15) =378352a(16) =1080522a(17) =3104302a(18) =8950670a(19) =25920104a(20) =75342011a(21) =219680831a(22) =642547985a(23) =1884571240a(24) =5541269802a(25) =16331880595a(26) =48239191795a(27) =142769840280a(28) =423339407025