Denominator of Sum_{k=1..n} 1/(2*k-1)^2.
A128492
Denominator of Sum_{k=1..n} 1/(2*k-1)^2.
Terms
- a(0) =1a(1) =9a(2) =225a(3) =11025a(4) =99225a(5) =12006225a(6) =2029052025a(7) =405810405a(8) =117279207045
External references
- oeis: A128492
A128492
Denominator of Sum_{k=1..n} 1/(2*k-1)^2.