login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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 36.
0

%I #14 Aug 18 2021 00:10:32

%S 16178,16433,26650,26977,40121,40925,56813,74209,75301,94538,95153,

%T 97633,120077,121465,122861,150985,176929,178613,204026,204929,208561,

%U 209474,210389,211306,214069,240829,279625,283865,285997,288137,315682

%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 36.

%Y Subsequence of A003814.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 1297 removed by _Georg Fischer_, Jun 16 2019