Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 15 ones.

Terms

a(0) =871a(1) =2675a(2) =3683a(3) =4819a(4) =5863a(5) =6731a(6) =8056a(7) =8827a(8) =9592a(9) =9971a(10) =10207a(11) =10323a(12) =12019a(13) =12455a(14) =12584a(15) =15224a(16) =15563a(17) =15696a(18) =16168a(19) =16536a(20) =16808a(21) =17155a(22) =17235a(23) =18535a(24) =19039a(25) =20923a(26) =20995a(27) =21255a(28) =21576a(29) =22608