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A031589 Numbers n such that continued fraction for sqrt(n) has even period and central term 91. 0
8283, 8287, 8291, 8311, 8331, 8351, 8363, 8371, 8387, 8403, 8419, 8423, 8431, 8443, 8447, 8459, 8467, 8483, 8519, 8523, 8527, 8531, 8539, 8543, 8551, 8563, 8599, 8623, 8627, 8647, 33128, 33160, 33184, 33256, 33280, 33408, 33416, 33448, 33472, 33504 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A145527 A054215 A031679 * A031769 A206192 A170778

Adjacent sequences:  A031586 A031587 A031588 * A031590 A031591 A031592

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.