Numerator of Sum_{k=1..n} 1/(2*k-1)^2.

A120268

Numerator of Sum_{k=1..n} 1/(2*k-1)^2.

Terms

    a(0) =1a(1) =10a(2) =259a(3) =12916a(4) =117469a(5) =14312974a(6) =2430898831a(7) =487983368a(8) =141433003757

External references