G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n * ((1+x)^(4*n) - A(x))^(n+1), where A(0) = 0.
A307954
G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n * ((1+x)^(4*n) - A(x))^(n+1), where A(0) = 0.
Terms
- a(0) =1a(1) =7a(2) =29a(3) =199a(4) =1799a(5) =17227a(6) =186329a(7) =2206267a(8) =28014806a(9) =379929320a(10) =5463954442a(11) =82846605311
External references
- oeis: A307954