Numbers k such that the period of the continued fraction for sqrt(k) contains no 1's.

Terms

a(0) =2a(1) =5a(2) =6a(3) =10a(4) =11a(5) =12a(6) =17a(7) =18a(8) =20a(9) =26a(10) =27a(11) =28a(12) =30a(13) =37a(14) =38a(15) =39a(16) =40a(17) =41a(18) =42a(19) =50a(20) =51a(21) =55a(22) =56a(23) =65a(24) =66a(25) =68a(26) =72a(27) =82a(28) =83a(29) =84