A031560 - OEIS

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A031560

Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 62.

3846, 3854, 3858, 3862, 3902, 3934, 3938, 3954, 3958, 3974, 3998, 4006, 4022, 4034, 4046, 4054, 4066, 4078, 4086, 4094, 8652, 8661, 8697, 8709, 8718, 8724, 8751, 8769, 8781, 8817, 8841, 8853, 8859, 8868, 8889, 8913, 8931, 8967, 8997, 9012, 9033, 9057

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

Sequence in context: A253291 A253161 A185773 * A180505 A252878 A234918

Adjacent sequences: A031557 A031558 A031559 * A031561 A031562 A031563

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved