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A031732 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 54. 1
730, 2918, 6564, 11668, 18230, 26250, 35728, 46664, 59058, 72910, 88220, 104988, 123214, 142898, 164040, 186640, 210698, 236214, 263188, 291620, 321510, 352858, 385664, 419928, 455650, 492830, 531468, 571564, 613118, 656130, 700600, 746528 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = 729n^2 + n for n < 57, but a(57) = 2289224. - Charles R Greathouse IV, Aug 04 2017

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

CROSSREFS

Sequence in context: A044880 A141806 A158397 * A224437 A259322 A085441

Adjacent sequences: A031729 A031730 A031731 * A031733 A031734 A031735

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified February 4 07:13 EST 2023. Contains 360046 sequences. (Running on oeis4.)