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A020429 Numbers k such that the continued fraction for sqrt(k) has period 90. 0
2851, 4051, 4449, 4873, 5284, 6388, 6517, 6526, 6659, 6859, 6973, 7243, 7702, 7771, 8261, 8486, 8614, 8966, 9226, 9862, 10519, 10809, 11081, 11477, 11876, 12164, 12881, 12904, 12910, 13479, 13531, 13859, 13861, 14646, 14799, 14804, 15014, 15310, 15940 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

CROSSREFS

Sequence in context: A234416 A218597 A259296 * A255026 A345588 A345846

Adjacent sequences:  A020426 A020427 A020428 * A020430 A020431 A020432

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified July 3 17:54 EDT 2022. Contains 355055 sequences. (Running on oeis4.)