Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 68 ones.

Terms

a(0) =6196a(1) =6451a(2) =6661a(3) =7159a(4) =8233a(5) =8839a(6) =11059a(7) =11164a(8) =11287a(9) =11443a(10) =11779a(11) =12037a(12) =12109a(13) =12457a(14) =13411a(15) =14206a(16) =14293a(17) =14533a(18) =14589a(19) =14793a(20) =15073a(21) =15199a(22) =15513a(23) =15667a(24) =15739a(25) =15907a(26) =16041a(27) =16924a(28) =16941a(29) =16963