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A031716 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 38. 1
362, 1446, 3252, 5780, 9030, 13002, 17696, 23112, 29250, 36110, 43692, 51996, 61022, 70770, 81240, 92432, 104346, 116982, 130340, 144420, 159222, 174746, 190992, 207960, 225650, 244062, 263196, 283052, 303630, 324930, 346952, 369696, 393162, 417350, 442260, 467892, 494246, 521322, 549120, 577640, 579160 (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

cfQ[n_]:=Module[{sqr=Sqrt[n]}, !IntegerQ[sqr]&&Min[ContinuedFraction[sqr][[2]]]==38]; Select[Range[400000], cfQ] (* Harvey P. Dale, Aug 27 2012 *)

CROSSREFS

Sequence in context: A013891 A045098 A158310 * A243131 A155019 A020539

Adjacent sequences:  A031713 A031714 A031715 * A031717 A031718 A031719

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

a(34)-a(41) from Charles R Greathouse IV, Aug 03 2017

STATUS

approved

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Last modified November 30 09:26 EST 2021. Contains 349419 sequences. (Running on oeis4.)