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Search: id:A031541
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A031541 Numbers n such that continued fraction for sqrt(n) has even period and central term 43. +0
1
1851, 1867, 1871, 1879, 1899, 1907, 1923, 1927, 1931, 1951, 1979, 1987, 1999, 2003, 2011, 2023, 7400, 7424, 7488, 7520, 7528, 7552, 7584, 7592, 7624, 7680, 7712, 7720, 7776, 7808, 7872, 7880, 7904, 7976, 8000, 8032, 8096, 16647, 16707, 16719, 16791 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A062670 A031764 A031631 this_sequence A031721 A128289 A023044

Adjacent sequences: A031538 A031539 A031540 this_sequence A031542 A031543 A031544

KEYWORD

nonn

AUTHOR

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

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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