A031694 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 16.

65, 258, 579, 1028, 1605, 2310, 3143, 4104, 5193, 6410, 7755, 9228, 10829, 12558, 14415, 16400, 18513, 20754, 21042, 23123, 25620, 28245, 30998, 33879, 36888, 40025, 43290, 46683, 50204, 53853, 57630, 61535, 65568, 69729, 70258, 74018, 78435, 82980

Offset

1,1

Links

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

Mathematica

Select[Range[110000], !IntegerQ[Sqrt[#]]&&Min[ContinuedFraction[Sqrt[#]][[2]]]==16&] (* Vincenzo Librandi, Jan 27 2012 *)

Crossrefs

Sequence in context: A115342 A360819 A036547 * A152023 A369498 A165798

Adjacent sequences: A031691 A031692 A031693 * A031695 A031696 A031697

Keyword

nonn

Author

David W. Wilson

Status

approved