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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; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..100

MATHEMATICA

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

CROSSREFS

Sequence in context: A013522 A142498 A158591 * A157324 A141968 A142656

Adjacent sequences:  A031687 A031688 A031689 * A031691 A031692 A031693

KEYWORD

nonn,changed

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 17 23:08 EST 2012. Contains 206085 sequences.