A031860 Period of continued fraction for sqrt(n) contains exactly 92 ones.

9739, 10459, 13324, 13831, 13966, 15421, 17011, 17677, 18118, 20209, 20494, 20551, 20719, 22081, 22569, 23601, 24589, 25801, 25846, 26359, 26839, 27133, 27369, 27427, 27799, 27964, 28297, 28828, 29173, 29881, 30013, 30727, 31489, 31574, 31582, 32083

Offset

1,1

Links

Table of n, a(n) for n=1..36.

Mathematica

upto=33000; Select[Complement[Range[upto], Range[Floor[Sqrt[upto]]]^2], Count[ContinuedFraction[Sqrt[#]][[2]], 1]==92&](* From Harvey P. Dale & Robert G. Wilson v, Jul 03 2011 *)

Crossrefs

Sequence in context: A236795 A061659 A206631 * A023687 A204286 A242878

Adjacent sequences: A031857 A031858 A031859 * A031861 A031862 A031863

Keyword

nonn

Author

David W. Wilson

Status

approved