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

Terms

a(0) =14a(1) =19a(2) =22a(3) =23a(4) =29a(5) =33a(6) =34a(7) =45a(8) =47a(9) =52a(10) =53a(11) =54a(12) =59a(13) =60a(14) =62a(15) =69a(16) =70a(17) =71a(18) =77a(19) =78a(20) =79a(21) =85a(22) =95a(23) =96a(24) =98a(25) =107a(26) =114a(27) =117a(28) =118a(29) =119