Expansion of g.f. A(x) satisfying 0 = Sum_{k=0..n} (-1)^k * binomial(4*n-3*k, k) * ([x^k] A(x)^n) for n >= 1.
A375442
Expansion of g.f. A(x) satisfying 0 = Sum_{k=0..n} (-1)^k * binomial(4*n-3*k, k) * ([x^k] A(x)^n) for n >= 1.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =58a(4) =2040a(5) =141471a(6) =17414299a(7) =3548205700
External references
- oeis: A375442