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A031690 Least term in period of continued fraction for sqrt(n) is 12. 1
37, 146, 327, 580, 905, 1302, 1771, 2312, 2925, 3610, 4367, 5196, 6097, 7070, 7238, 8115, 9232, 10421, 11682, 13015, 14420, 15897, 17446, 19067, 20760, 22525, 22826, 24362, 26271, 28252, 30305, 31001, 32430, 34627, 36896, 39237, 41650, 44135, 46692 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[50000], !IntegerQ[Sqrt[#]] &&Min[ContinuedFraction[Sqrt[#]][[2]]] == 12&] (* Vincenzo Librandi, Feb 09 2012 *)

CROSSREFS

Sequence in context: A158591 A262318 A262921 * A157324 A251113 A251106

Adjacent sequences:  A031687 A031688 A031689 * A031691 A031692 A031693

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified June 16 21:55 EDT 2021. Contains 345080 sequences. (Running on oeis4.)