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A031808 Period of continued fraction for sqrt(n) contains exactly 40 ones. 0
1999, 2284, 2461, 2644, 2671, 2689, 2956, 2989, 3061, 3661, 3697, 3769, 3817, 4153, 4201, 4987, 4989, 5001, 5101, 5419, 5469, 5647, 5812, 5851, 6067, 6189, 6281, 6331, 6581, 6673, 6689, 6861, 6883, 7078, 7141, 7151, 7261, 7342, 7354, 7661, 7693, 7789 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A063472 A063054 A171467 * A167292 A037029 A048517

Adjacent sequences:  A031805 A031806 A031807 * A031809 A031810 A031811

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 21:27 EST 2012. Contains 205859 sequences.