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A031671 Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 83. 0
85313, 85898, 142210, 291769, 392101, 394609, 395866, 504389, 630797, 633977, 764317, 771325, 916378, 927898, 1078069, 1086389, 1090561, 1098929, 1277629, 1282153, 1460105, 1469785, 1474637, 1479497, 1662482, 1665061, 1667642 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Subsequence of A003814.

Sequence in context: A207298 A236668 A194777 * A010083 A235968 A195468

Adjacent sequences:  A031668 A031669 A031670 * A031672 A031673 A031674

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

First term 6890 removed by Georg Fischer, Jun 16 2019

STATUS

approved

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Last modified May 26 21:56 EDT 2022. Contains 354092 sequences. (Running on oeis4.)