G.f. satisfies: -1 = Product_{n>=1} (1-x^n) * (1 - x^n*A(x)) * (1 - x^(n-1)/A(x)), where g.f. A(x) = Sum_{n>=0} a(n)/2*(x/4)^n.
A268301
G.f. satisfies: -1 = Product_{n>=1} (1-x^n) * (1 - x^n*A(x)) * (1 - x^(n-1)/A(x)), where g.f. A(x) = Sum_{n>=0} a(n)/2*(x/4)^n.
Terms
- a(0) =1a(1) =-7a(2) =-70a(3) =-795a(4) =-13802a(5) =-277782a(6) =-6093708a(7) =-139376659a(8) =-3297234754a(9) =-79988099074
External references
- oeis: A268301