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A031636 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 48. 0
28949, 48481, 70877, 101293, 132721, 168389, 170858, 262585, 264637, 308554, 310778, 314129, 316373, 317498, 364234, 365441, 369074, 370289, 373946, 375169, 423229, 433693, 488045, 496457, 499277, 555986, 557477, 558970, 563461, 572497 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..30.

CROSSREFS

Sequence in context: A237727 A252319 A237232 * A235820 A235817 A235576

Adjacent sequences:  A031633 A031634 A031635 * A031637 A031638 A031639

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

First term 2305 removed by Georg Fischer, Jun 16 2019

STATUS

approved

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Last modified July 1 06:11 EDT 2022. Contains 354952 sequences. (Running on oeis4.)