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A020307 Strong pseudoprimes to base 81. 2
91, 121, 511, 671, 703, 949, 1387, 1541, 1729, 1891, 2701, 2821, 3281, 3367, 3751, 5551, 6643, 7381, 8401, 8695, 8911, 10585, 11011, 12403, 12991, 14383, 15203, 15251, 15841, 15863, 16471, 16531, 18721, 19345, 23521, 24661, 24727, 26335, 28009, 29341 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..300

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A157345 A092125 A005935 * A328662 A020235 A046427

Adjacent sequences:  A020304 A020305 A020306 * A020308 A020309 A020310

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified July 8 19:20 EDT 2020. Contains 335524 sequences. (Running on oeis4.)