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A031778 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 100. 1
2501, 10002, 22503, 40004, 62505, 90006, 122507, 160008, 202509, 250010, 302511, 360012, 422513, 490014, 562515, 640016, 722517, 810018, 902519, 1000020, 1102521, 1210022, 1322523, 1440024, 1562525, 1690026, 1822527, 1960028, 2102529, 2250030 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

(50*m)^2 + m for m >= 1 are terms of this sequence (see comment in A031712). The term 26020302 is not of this form. - Chai Wah Wu, Jun 19 2016

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..10000

CROSSREFS

Sequence in context: A235439 A235404 A120408 * A031688 A031548 A045216

Adjacent sequences:  A031775 A031776 A031777 * A031779 A031780 A031781

KEYWORD

nonn,changed

AUTHOR

David W. Wilson

STATUS

approved

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Last modified July 29 02:27 EDT 2021. Contains 346340 sequences. (Running on oeis4.)