G.f.: A(x) = Sum_{n>=0} x^n / Product_{k=1..n} (1 - 4^(n-k)*x^k).
A193190
G.f.: A(x) = Sum_{n>=0} x^n / Product_{k=1..n} (1 - 4^(n-k)*x^k).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =35a(5) =394a(6) =8804a(7) =397482a(8) =35759656a(9) =6485002635
External references
- oeis: A193190