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A020354 Numbers k such that the continued fraction for sqrt(k) has period 15. 0
109, 353, 461, 617, 685, 709, 877, 1066, 1097, 1241, 1466, 1553, 1877, 2290, 2545, 2713, 2738, 2858, 3077, 3314, 3562, 3653, 4498, 4538, 4570, 4573, 5365, 5557, 5578, 5906, 6409, 6682, 7082, 7085, 7090, 7481, 7825, 8005, 8381, 8794, 8945, 9049, 9389 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..43.

CROSSREFS

Sequence in context: A238682 A070180 A107198 * A142846 A166560 A139644

Adjacent sequences: A020351 A020352 A020353 * A020355 A020356 A020357

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified February 1 16:42 EST 2023. Contains 359993 sequences. (Running on oeis4.)