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A031659 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 71. 0
62549, 102481, 103765, 104410, 153785, 213613, 284314, 289669, 460045, 465485, 556957, 565945, 568957, 668018, 669653, 676213, 684458, 789169, 790946, 794506, 798074, 799861, 803441, 807029, 808826, 1061741, 1065865, 1078285 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..28.

CROSSREFS

Sequence in context: A203046 A180163 A180202 * A257150 A257157 A254739

Adjacent sequences: A031656 A031657 A031658 * A031660 A031661 A031662

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

First term 5042 removed by Georg Fischer, Jun 16 2019

STATUS

approved

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Last modified March 25 23:06 EDT 2023. Contains 361529 sequences. (Running on oeis4.)