A031686 - OEIS

%I #12 Aug 18 2021 00:10:32

%S 119074,196330,198106,291721,293885,296057,407213,409769,412333,

%T 550789,697514,700858,1069597,1272913,1277429,1284218,1503701,1506154,

%U 1508609,1511066,1518449,1523381,1528321,1530794,1764313,2022925,2028617

%N Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 98.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 9605 removed by _Georg Fischer_, Jun 16 2019