a(n) = coefficient of x^n in A(x) such that: 0 = Sum_{n=-oo..+oo} x^(6*n) * (x^n - 2*A(x))^(7*n+1).
A358956
a(n) = coefficient of x^n in A(x) such that: 0 = Sum_{n=-oo..+oo} x^(6*n) * (x^n - 2*A(x))^(7*n+1).
Terms
- a(0) =1a(1) =6a(2) =78a(3) =1196a(4) =20280a(5) =366288a(6) =6908744a(7) =134492752a(8) =2681961056a(9) =54504790720
External references
- oeis: A358956