Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 12 ones.

Terms

a(0) =211a(1) =214a(2) =382a(3) =385a(4) =393a(5) =436a(6) =457a(7) =487a(8) =501a(9) =511a(10) =524a(11) =526a(12) =553a(13) =559a(14) =581a(15) =614a(16) =657a(17) =716a(18) =749a(19) =781a(20) =831a(21) =846a(22) =856a(23) =862a(24) =869a(25) =875a(26) =881a(27) =893a(28) =950a(29) =996