G.f.: Sum_{n>=0} (2 + (1+x)^n)^n / (3 + (1+x)^n)^(n+1).
A302614
G.f.: Sum_{n>=0} (2 + (1+x)^n)^n / (3 + (1+x)^n)^(n+1).
Terms
- a(0) =1a(1) =1a(2) =8a(3) =91a(4) =1474a(5) =30765a(6) =785053a(7) =23682833a(8) =824522797a(9) =32537599175
External references
- oeis: A302614