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

Terms

a(0) =91a(1) =304a(2) =319a(3) =432a(4) =539a(5) =555a(6) =595a(7) =671a(8) =696a(9) =703a(10) =760a(11) =891a(12) =935a(13) =1175a(14) =1512a(15) =1643a(16) =1695a(17) =1971a(18) =2075a(19) =2088a(20) =2223a(21) =2295a(22) =2299a(23) =2507a(24) =2552a(25) =2555a(26) =2679a(27) =2727a(28) =3219a(29) =3240