Expansion of F(x^2, x) where F(x,y) is the g.f. of A239927.

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =0a(5) =0a(6) =1a(7) =0a(8) =0a(9) =1a(10) =1a(11) =0a(12) =1a(13) =2a(14) =0a(15) =1a(16) =3a(17) =1a(18) =1a(19) =4a(20) =3a(21) =2a(22) =5a(23) =6a(24) =4a(25) =6a(26) =10a(27) =8a(28) =9a(29) =15