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A031860 Period of continued fraction for sqrt(n) contains exactly 92 ones. 0
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 25 23:17 EDT 2020. Contains 338026 sequences. (Running on oeis4.)