A031732 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 54.

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

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