A031862 Period of continued fraction for sqrt(n) contains exactly 94 ones.

11551, 12601, 13399, 14254, 14284, 14323, 14779, 15331, 16108, 17029, 17044, 17254, 17281, 18001, 18841, 19237, 19324, 19531, 19801, 19969, 19993, 20431, 20701, 20929, 21382, 21859, 21916, 22309, 22702, 22756, 23371, 24007, 24799, 25849, 26833, 27814

Offset

1,1

Links

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

Mathematica

cf94Q[n_]:=Module[{s=Sqrt[n]}, If[IntegerQ[s], 1, Count[ ContinuedFraction[ s][[2]], 1]]==94]; Select[Range[28000], cf94Q] (* Harvey P. Dale, May 01 2018 *)

Crossrefs

Sequence in context: A237304 A292039 A361031 * A035914 A063064 A205268

Adjacent sequences: A031859 A031860 A031861 * A031863 A031864 A031865

Keyword

nonn

Author

David W. Wilson

Status

approved