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A031570 Numbers n such that continued fraction for sqrt(n) has even period and central term 72. +0
1
5186, 5198, 5218, 5282, 5286, 5294, 5298, 5302, 5314, 5318, 5326, 5342, 5346, 5366, 5374, 5378, 5398, 5414, 5422, 5438, 5442, 5462, 5474, 11667, 11721, 11733, 11757, 11769, 11793, 11811, 11814, 11829, 11841, 11892, 11901, 11964, 11973, 11991, 12009 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A107344 A061050 A031660 this_sequence A066167 A028549 A093071

Adjacent sequences: A031567 A031568 A031569 this_sequence A031571 A031572 A031573

KEYWORD

nonn

AUTHOR

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

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.


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