Primes p == 1 (mod 4) where class number of Q(sqrt p) increases.

A002142

Primes p == 1 (mod 4) where class number of Q(sqrt p) increases.

Terms

    a(0) =5a(1) =229a(2) =401a(3) =577a(4) =1129a(5) =1297a(6) =7057a(7) =8761a(8) =14401a(9) =32401a(10) =41617a(11) =57601a(12) =90001

External references