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A031678 Numbers n such that continued fraction for sqrt(n) has odd period and central terms 90. 0
101173, 165730, 248125, 348269, 457201, 458554, 596273, 733097, 895357, 1082129, 1273009, 1275266, 1279786, 1284314, 1286581, 1293394, 1489129, 1508713, 1716941, 1727437, 1732697, 1949777, 1955365, 1960961, 1972177, 1983425, 2221189 (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: A255976 A161796 A096929 * A251959 A250631 A229684

Adjacent sequences:  A031675 A031676 A031677 * A031679 A031680 A031681

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

First term 8101 removed by Georg Fischer, Jun 16 2019

STATUS

approved

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Last modified April 10 18:49 EDT 2021. Contains 342853 sequences. (Running on oeis4.)