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A020309 Strong pseudoprimes to base 83. 1
21, 65, 231, 265, 689, 703, 1241, 3445, 4411, 6973, 8421, 12871, 15883, 18721, 20191, 22261, 24727, 31417, 42127, 44801, 60551, 69841, 79003, 82513, 83333, 85609, 92631, 98671, 113401, 116941, 133141, 136741, 159621, 166499, 190513, 191407, 220669 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..211

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A259677 A089115 A259244 * A048713 A219814 A219379

Adjacent sequences:  A020306 A020307 A020308 * A020310 A020311 A020312

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified July 5 20:21 EDT 2020. Contains 335473 sequences. (Running on oeis4.)