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Search: id:A031569
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A031569 Numbers n such that continued fraction for sqrt(n) has even period and central term 71. +0
1
5043, 5051, 5059, 5087, 5091, 5099, 5107, 5119, 5139, 5147, 5163, 5167, 5171, 5179, 5203, 5227, 5231, 5251, 5259, 5279, 5283, 5287, 5303, 5311, 5323, 5327, 20168, 20200, 20288, 20320, 20352, 20360, 20392, 20456, 20480, 20488, 20512, 20544, 20576, 20608 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A045517 A068897 A031659 this_sequence A031749 A155145 A160757

Adjacent sequences: A031566 A031567 A031568 this_sequence A031570 A031571 A031572

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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