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A031572 Numbers n such that continued fraction for sqrt(n) has even period and central term 74. +0
1
5478, 5494, 5506, 5518, 5522, 5526, 5534, 5542, 5574, 5582, 5602, 5606, 5638, 5666, 5678, 5682, 5686, 5702, 5714, 5718, 5726, 5758, 5762, 5774, 12324, 12333, 12381, 12387, 12417, 12459, 12468, 12477, 12489, 12513, 12606, 12612, 12621, 12633, 12657 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A069311 A022205 A031662 this_sequence A045108 A137816 A138760

Adjacent sequences: A031569 A031570 A031571 this_sequence A031573 A031574 A031575

KEYWORD

nonn

AUTHOR

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

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.


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