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A020428 Numbers k such that the continued fraction for sqrt(k) has period 89. 0
2389, 3613, 4129, 4957, 5689, 7121, 7841, 7901, 8377, 8506, 9529, 10529, 12689, 13369, 13402, 13465, 14057, 15049, 15269, 16529, 19729, 20122, 21881, 22186, 23257, 23425, 24961, 27409, 28433, 29101, 30497, 31765, 31945, 32573, 35009, 35173, 36298 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..37.

CROSSREFS

Sequence in context: A172772 A172841 A172752 * A253422 A100974 A279538

Adjacent sequences:  A020425 A020426 A020427 * A020429 A020430 A020431

KEYWORD

nonn,changed

AUTHOR

David W. Wilson

STATUS

approved

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Last modified July 23 12:19 EDT 2021. Contains 346259 sequences. (Running on oeis4.)