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A020382 Numbers n such that continued fraction for sqrt(n) has period 43. 0
1153, 1709, 1777, 2129, 2458, 2741, 3226, 3649, 3701, 3961, 4729, 4877, 5818, 5821, 6161, 6473, 6746, 7034, 7274, 7433, 8117, 8273, 9277, 9370, 9626, 10345, 11125, 11194, 11197, 11530, 11633, 11821, 11861, 12209, 12437, 12701, 12938, 13274, 13289 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

MATHEMATICA

cf43Q[n_]:=Module[{s=Sqrt[n]}, !IntegerQ[s]&&Length[ ContinuedFraction[s][[2]]]==43]; Select[Range[15000], cf43Q] (* Harvey P. Dale, Nov 26 2012 *)

CROSSREFS

Sequence in context: A166490 A035761 A107557 * A185689 A046390 A234498

Adjacent sequences:  A020379 A020380 A020381 * A020383 A020384 A020385

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified December 9 00:44 EST 2016. Contains 278959 sequences.