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A020253 Strong pseudoprimes to base 27. 1
121, 133, 259, 365, 703, 1649, 1891, 3281, 4921, 5461, 8401, 8911, 9809, 9841, 9881, 10585, 12403, 13019, 13073, 13333, 16531, 18721, 19345, 21901, 23521, 26467, 26599, 29891, 31621, 35371, 37969, 44287, 47197, 48133, 50171, 52801, 55537, 55969, 63139 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..286

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A162531 A050697 A319923 * A182776 A080466 A271630

Adjacent sequences: A020250 A020251 A020252 * A020254 A020255 A020256

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified January 26 22:13 EST 2023. Contains 359836 sequences. (Running on oeis4.)