Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 53 ones.

Terms

a(0) =6031a(1) =18643a(2) =38263a(3) =42559a(4) =44323a(5) =49039a(6) =60131a(7) =75067a(8) =89464a(9) =93304a(10) =93328a(11) =94051a(12) =94119a(13) =97399a(14) =98375a(15) =99299a(16) =110171a(17) =119848a(18) =119995a(19) =128927a(20) =132355a(21) =143464a(22) =144055a(23) =147911a(24) =148843a(25) =152227a(26) =156871a(27) =158107a(28) =162328a(29) =164755