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A031687 Numbers n such that continued fraction for sqrt(n) has odd period and central terms 99. 0
198997, 200785, 201682, 298237, 420073, 556741, 561226, 710938, 719393, 891497, 895277, 899065, 1086205, 1094557, 1098745, 1300129, 1311554, 1316138, 1533269, 1543189, 1545674, 1548161, 1553141, 1558129, 1560626, 1817833, 2062937 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..27.

CROSSREFS

Sequence in context: A290780 A255782 A205638 * A234034 A154531 A043592

Adjacent sequences:  A031684 A031685 A031686 * A031688 A031689 A031690

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

First term 9802 removed by Georg Fischer, Jun 16 2019

STATUS

approved

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Last modified May 6 16:03 EDT 2021. Contains 343586 sequences. (Running on oeis4.)