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A031788 Period of continued fraction for sqrt(n) contains exactly 20 ones. 0
478, 669, 724, 751, 766, 889, 958, 1289, 1318, 1409, 1499, 1531, 1576, 1589, 1669, 1709, 1713, 1732, 1738, 1753, 1783, 1828, 1829, 1873, 1933, 1969, 2059, 2073, 2095, 2169, 2185, 2188, 2287, 2317, 2321, 2391, 2395, 2433, 2506, 2572, 2588, 2634, 2656 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..43.

CROSSREFS

Sequence in context: A227706 A261816 A020375 * A252543 A235083 A252544

Adjacent sequences:  A031785 A031786 A031787 * A031789 A031790 A031791

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified January 24 19:34 EST 2022. Contains 350565 sequences. (Running on oeis4.)