Expansion of g.f. A(x) satisfying A(x) = x + x^2 + (2*A(x)^3 + A(x^3))/3.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =9a(6) =20a(7) =48a(8) =117a(9) =290a(10) =734a(11) =1880a(12) =4868a(13) =12730a(14) =33556a(15) =89072a(16) =237904a(17) =638873a(18) =1723930a(19) =4672008a(20) =12710904a(21) =34703894a(22) =95054188a(23) =261116816a(24) =719223064a(25) =1985934212a(26) =5496123033a(27) =15242821108a(28) =42357113994a(29) =117918233704