Smallest prime p such that there is a prime q satisfying (2*n + 1)*p^2 - (2*n-1)*q^2 = 2, or 0 if no such p exists.
A225835
Smallest prime p such that there is a prime q satisfying (2*n + 1)*p^2 - (2*n-1)*q^2 = 2, or 0 if no such p exists.
Terms
- a(0) =3a(1) =26839a(2) =11a(3) =239a(4) =379
External references
- oeis: A225835