Expansion of g.f. A(x) satisfying 0 = Sum_{n=-oo..+oo} x^n * (x^(2*n) - A(x))^(3*n+1).
A385909
Expansion of g.f. A(x) satisfying 0 = Sum_{n=-oo..+oo} x^n * (x^(2*n) - A(x))^(3*n+1).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =9a(4) =31a(5) =122a(6) =493a(7) =2086a(8) =9106a(9) =40764a(10) =186206a(11) =865068a(12) =4076020a(13) =19437711a(14) =93655043a(15) =455293416a(16) =2230636436a(17) =11003483165a(18) =54607084364a(19) =272453502850
External references
- oeis: A385909