A031626 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 38.

3373, 9241, 30010, 30706, 44221, 45065, 61673, 62669, 82021, 82594, 85489, 105914, 107873, 132857, 160441, 192373, 195893, 196778, 198554, 200338, 201233, 227201, 228154, 230066, 232949, 233914, 271129, 305545, 307757, 309977, 314441

Offset

1,1

Links

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

Crossrefs

Subsequence of A003814.

Sequence in context: A254384 A253979 A139779 * A117921 A052357 A218908

Adjacent sequences: A031623 A031624 A031625 * A031627 A031628 A031629

Keyword

nonn

Author

David W. Wilson

Extensions

First term 1445 removed by Georg Fischer, Jun 16 2019

Status

approved