a(n) is the least prime p such that p^(2*n+1) == 2*n+1 (mod 2^(2*n+1)).
A339758
a(n) is the least prime p such that p^(2*n+1) == 2*n+1 (mod 2^(2*n+1)).
Terms
- a(0) =3a(1) =3a(2) =53a(3) =503a(4) =4297a(5) =947a(6) =10589a(7) =17903a(8) =624401a(9) =7151083a(10) =45543077a(11) =30611047a(12) =612126937a(13) =2280521251a(14) =649288301a(15) =26566080479a(16) =28921314337a(17) =303937208923
External references
- oeis: A339758