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A031621 Numbers n such that continued fraction for sqrt(n) has odd period and central terms 33. 0
2509, 13738, 23185, 61729, 64234, 79813, 80378, 81514, 83233, 98957, 101485, 102761, 147218, 150298, 151073, 152629, 171194, 172021, 175349, 176186, 177866, 178709, 180401, 205033, 231241, 233165, 235097, 238985, 263105, 265157, 267217 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..31.

CROSSREFS

Sequence in context: A251858 A251854 A203055 * A212400 A215197 A250694

Adjacent sequences:  A031618 A031619 A031620 * A031622 A031623 A031624

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

First term 1090 removed by Georg Fischer, Jun 16 2019

STATUS

approved

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Last modified September 20 14:21 EDT 2020. Contains 337264 sequences. (Running on oeis4.)