A031622 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 34.

2713, 7421, 14449, 24106, 24730, 49453, 65761, 68869, 84389, 86138, 87314, 88498, 105337, 106637, 131485, 154193, 156554, 162133, 182101, 183809, 184666, 187249, 190721, 191594, 212329, 244877, 250841, 254857, 256877, 282922, 285050

Offset

1,1

Links

Table of n, a(n) for n=1..31.

Crossrefs

Subsequence of A003814.

Sequence in context: A205750 A205472 A252430 * A234551 A167836 A290644

Adjacent sequences: A031619 A031620 A031621 * A031623 A031624 A031625

Keyword

nonn

Author

David W. Wilson

Extensions

First term 1157 removed by Georg Fischer, Jun 16 2019

Status

approved