The denominator of h(n-k)*h(k)/h(n) where h(x) = zeta(2*x)*(4^x-2) and k = floor(n/2).

A246053

The denominator of h(n-k)*h(k)/h(n) where h(x) = zeta(2*x)*(4^x-2) and k = floor(n/2).

Terms

    a(0) =2a(1) =2a(2) =7a(3) =62a(4) =381a(5) =365a(6) =1414477a(7) =573370a(8) =118518239a(9) =5749691557a(10) =274638832071a(11) =768018339627

External references