a(n) = Pi^(2n)*denominator of Sum_{k in A030059} 1/k^(2n).
A093596
a(n) = Pi^(2n)*denominator of Sum_{k in A030059} 1/k^(2n).
Terms
- a(0) =2a(1) =2a(2) =691a(3) =7234a(4) =174611a(5) =163327586881a(6) =13571120588
External references
- oeis: A093596
A093596
a(n) = Pi^(2n)*denominator of Sum_{k in A030059} 1/k^(2n).