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A020268 Strong pseudoprimes to base 42. 1
451, 529, 1247, 1541, 1765, 1807, 1991, 7421, 9773, 11041, 12167, 13333, 14491, 14981, 17611, 18721, 23521, 27511, 31417, 35443, 65305, 65641, 68101, 74089, 79003, 81631, 96727, 102719, 104653, 105271, 109061, 128143, 130561, 145351, 161101 (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: A269884 A145492 A269763 * A066322 A128922 A224560

Adjacent sequences:  A020265 A020266 A020267 * A020269 A020270 A020271

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified August 7 12:19 EDT 2020. Contains 336276 sequences. (Running on oeis4.)