Expansion of g.f. A(x) satisfying x = P(x) * Sum_{n=-oo..+oo} x^(n*(3*n+1)/2) * (A(x)^(3*n) - 1/A(x)^(3*n+1)), where P(x) = 1/Product_{n>=1} (1 - x^n).
A360580
Expansion of g.f. A(x) satisfying x = P(x) * Sum_{n=-oo..+oo} x^(n*(3*n+1)/2) * (A(x)^(3*n) - 1/A(x)^(3*n+1)), where P(x) = 1/Product_{n>=1} (1 - x^n).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =21a(4) =90a(5) =423a(6) =2209a(7) =12261a(8) =69842a(9) =403722a(10) =2367829a(11) =14096616a(12) =85043323a(13) =518567546a(14) =3189349181a(15) =19758783404a(16) =123200215388a(17) =772606927013
External references
- oeis: A360580