a(n) = coefficient of x^n in A(x) such that: 0 = Sum_{n=-oo..+oo} x^(3*n) * (x^n - 2*A(x))^(4*n+1).
A358953
a(n) = coefficient of x^n in A(x) such that: 0 = Sum_{n=-oo..+oo} x^(3*n) * (x^n - 2*A(x))^(4*n+1).
Terms
- a(0) =1a(1) =3a(2) =21a(3) =159a(4) =1369a(5) =12131a(6) =111489a(7) =1042310a(8) =9878188a(9) =94345595a(10) =905236045a(11) =8698907855a(12) =83509981377a(13) =798911473287
External references
- oeis: A358953