Primes p such that continued fraction of (1 + sqrt(p))/2 has period 3.

Terms

a(0) =17a(1) =37a(2) =61a(3) =101a(4) =197a(5) =257a(6) =317a(7) =401a(8) =461a(9) =557a(10) =577a(11) =677a(12) =773a(13) =1129a(14) =1297a(15) =1429a(16) =1601a(17) =1877a(18) =1901a(19) =2917a(20) =3137a(21) =4357a(22) =4597a(23) =5417a(24) =5477a(25) =6053a(26) =7057a(27) =8101a(28) =8761a(29) =8837