Expansion of g.f. A(x) satisfying 1 - Sum_{n>=1} Product_{k=1..n} (x^(2*k-1) - 3*A(x)) = Product_{k>=1} (1 - x^(2*k)) * (1 + x^k - 3*A(x))^2 / (1 + x^(2*k) - 3*A(x))^2.
A370346
Expansion of g.f. A(x) satisfying 1 - Sum_{n>=1} Product_{k=1..n} (x^(2*k-1) - 3*A(x)) = Product_{k>=1} (1 - x^(2*k)) * (1 + x^k - 3*A(x))^2 / (1 + x^(2*k) - 3*A(x))^2.
Terms
- a(0) =1a(1) =4a(2) =30a(3) =275a(4) =2799a(5) =30436a(6) =346319a(7) =4072754a(8) =49109383a(9) =603892942a(10) =7544208882a(11) =95478830462
External references
- oeis: A370346