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

Terms

a(0) =43a(1) =44a(2) =46a(3) =58a(4) =76a(5) =86a(6) =93a(7) =103a(8) =113a(9) =160a(10) =172a(11) =179a(12) =184a(13) =186a(14) =191a(15) =199a(16) =213a(17) =233a(18) =242a(19) =245a(20) =268a(21) =281a(22) =284a(23) =307a(24) =313a(25) =337a(26) =344a(27) =345a(28) =348a(29) =366