Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 91 ones.

Terms

a(0) =64051a(1) =75799a(2) =76639a(3) =85783a(4) =129299a(5) =132487a(6) =146467a(7) =148264a(8) =151859a(9) =162131a(10) =162511a(11) =192131a(12) =214927a(13) =223343a(14) =224779a(15) =224899a(16) =250931a(17) =251395a(18) =262456a(19) =273607a(20) =289931a(21) =292811a(22) =316611a(23) =318491a(24) =331255a(25) =343864a(26) =345043a(27) =346019a(28) =347459a(29) =353995