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A031605 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 17. 0

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

%S 6010,6322,6481,9337,12713,16609,17386,18181,21898,22193,22789,23393,

%T 26605,27917,28585,32125,34297,39733,40529,41333,41738,42554,45569,

%U 45994,46421,48149,49466,49909,53629,57373,59293,61357,65357,66377,70130,70657

%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 17.

%Y Subsequence of A003814.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 290 removed by _Georg Fischer_, Jun 16 2019

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Last modified April 25 11:16 EDT 2024. Contains 371967 sequences. (Running on oeis4.)