Expansion of g.f. A(x) satisfying 0 = Sum_{k=0..n} (-1)^k * binomial(3*n-2*k, k) * ([x^k] A(x)^n) for n >= 1.
A375441
Expansion of g.f. A(x) satisfying 0 = Sum_{k=0..n} (-1)^k * binomial(3*n-2*k, k) * ([x^k] A(x)^n) for n >= 1.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =27a(4) =520a(5) =17461a(6) =924123a(7) =72565316a(8) =8092491188
External references
- oeis: A375441