a(n) = coefficient of x^n in A(x) such that 2 = Sum_{n=-oo..+oo} (-1)^n * x^(n*(3*n-1)/2) * A(x)^(3*n) * (1 + x^n*A(x)).

A359914

a(n) = coefficient of x^n in A(x) such that 2 = Sum_{n=-oo..+oo} (-1)^n * x^(n*(3*n-1)/2) * A(x)^(3*n) * (1 + x^n*A(x)).

Terms

    a(0) =1a(1) =2a(2) =4a(3) =30a(4) =154a(5) =1078a(6) =7046a(7) =50766a(8) =364268a(9) =2713444a(10) =20384884a(11) =155954760a(12) =1204192106a(13) =9400024042a(14) =73945396990a(15) =586088682472

External references