a(n) = numerator of Sum_{k=1..p-1} 1/k^2 for p the n-th prime.
A186722
a(n) = numerator of Sum_{k=1..p-1} 1/k^2 for p the n-th prime.
Terms
- a(0) =1a(1) =5a(2) =205a(3) =5369a(4) =1968329a(5) =240505109a(6) =822968714749
External references
- oeis: A186722