Numbers k such that the period of the continued fraction for sqrt(k) contains exactly nine 1's.

Terms

a(0) =819a(1) =1079a(2) =1144a(3) =1491a(4) =2832a(5) =2923a(6) =3175a(7) =3567a(8) =4015a(9) =4087a(10) =4163a(11) =4439a(12) =4727a(13) =5123a(14) =5307a(15) =5459a(16) =5695a(17) =5875a(18) =6027a(19) =6107a(20) =6519a(21) =6696a(22) =6767a(23) =6992a(24) =7192a(25) =7839a(26) =7912a(27) =8003a(28) =8211a(29) =8375