Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 51 ones.

Terms

a(0) =13939a(1) =28531a(2) =40891a(3) =50059a(4) =52264a(5) =55183a(6) =58927a(7) =65656a(8) =66887a(9) =73051a(10) =82519a(11) =94824a(12) =108539a(13) =111896a(14) =113263a(15) =114955a(16) =119743a(17) =131723a(18) =131811a(19) =133867a(20) =147823a(21) =155803a(22) =158299a(23) =161155a(24) =162819a(25) =163283a(26) =169336a(27) =169663a(28) =169675a(29) =176623