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Search: id:A031539
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A031539 Numbers n such that continued fraction for sqrt(n) has even period and central term 41. +0
1
1683, 1687, 1691, 1699, 1707, 1723, 1747, 1759, 1779, 1783, 1787, 1799, 1811, 1819, 1823, 1831, 1843, 1847, 6728, 6752, 6784, 6824, 6848, 6856, 6880, 6912, 6920, 6944, 6976, 7008, 7016, 7040, 7072, 7104, 7168, 7240, 7264, 7328, 7360, 7392, 15135, 15195 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A031760 A035766 A107562 this_sequence A031719 A020241 A065903

Adjacent sequences: A031536 A031537 A031538 this_sequence A031540 A031541 A031542

KEYWORD

nonn

AUTHOR

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

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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