G.f.: 1/(1-x) = Sum_{n>=0} a(n)*x^n/(1+x)^(2^(n+2)-4).
A172403
G.f.: 1/(1-x) = Sum_{n>=0} a(n)*x^n/(1+x)^(2^(n+2)-4).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =51a(4) =1059a(5) =44620a(6) =3795202a(7) =649054326a(8) =222639357434
External references
- oeis: A172403