a(n) = coefficient of x^n in A(x) such that x = Sum_{n=-oo..+oo} x^(n*(3*n+1)/2) * (A(x)^(3*n) - 1/A(x)^(3*n+1)).
A359920
a(n) = coefficient of x^n in A(x) such that x = Sum_{n=-oo..+oo} x^(n*(3*n+1)/2) * (A(x)^(3*n) - 1/A(x)^(3*n+1)).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =29a(4) =137a(5) =690a(6) =3815a(7) =22579a(8) =138353a(9) =862692a(10) =5451339a(11) =34911444a(12) =226475135a(13) =1485571965a(14) =9833401534a(15) =65578882177a(16) =440170565711
External references
- oeis: A359920