Primes p such that continued fraction of (1 + sqrt(p))/2 has period 9: primes in A143577.

Terms

a(0) =73a(1) =97a(2) =233a(3) =277a(4) =349a(5) =353a(6) =613a(7) =821a(8) =877a(9) =1181a(10) =1277a(11) =1613a(12) =1637a(13) =1693a(14) =2357a(15) =2777a(16) =3557a(17) =3989a(18) =4157a(19) =4517a(20) =4889a(21) =4933a(22) =5261a(23) =6113a(24) =7213a(25) =9133a(26) =9181a(27) =9749a(28) =10313a(29) =10909