Denominator of G(n) = Sum_{k=1..n} (1/(2*2^k)) * Sum_{j=0..k-1} 1/binomial(2^(k-j)+j,j).

A085116

Denominator of G(n) = Sum_{k=1..n} (1/(2*2^k)) * Sum_{j=0..k-1} 1/binomial(2^(k-j)+j,j).

Terms

    a(0) =4a(1) =12a(2) =480a(3) =2880a(4) =171360a(5) =15079680a(6) =2979744768a(7) =256258050048

External references