A031610 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 22.

3161, 6133, 6449, 10690, 15497, 22073, 28114, 35633, 36389, 37153, 37538, 38314, 46157, 47017, 47885, 54265, 65554, 66578, 67093, 68129, 76801, 77354, 77909, 79586, 80149, 80714, 81281, 82421, 89533, 105817, 108425, 109741, 119297, 120677

Offset

1,1

Links

Table of n, a(n) for n=1..34.

Crossrefs

Subsequence of A003814.

Sequence in context: A250760 A184452 A151750 * A252636 A324678 A068266

Adjacent sequences: A031607 A031608 A031609 * A031611 A031612 A031613

Keyword

nonn

Author

David W. Wilson

Extensions

First term 485 removed by Georg Fischer, Jun 16 2019

Status

approved