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A020267 Strong pseudoprimes to base 41. 1
21, 231, 671, 703, 841, 1281, 1387, 1417, 2701, 3829, 8321, 8911, 10933, 13019, 14091, 20591, 21667, 25909, 43213, 43273, 45221, 45449, 47197, 48133, 51319, 60551, 74089, 76861, 79381, 80137, 84941, 86331, 91669, 106491, 109981, 110293, 111361, 113401 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..747

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A161899 A220721 A320588 * A188354 A064322 A126902

Adjacent sequences:  A020264 A020265 A020266 * A020268 A020269 A020270

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified August 4 08:25 EDT 2020. Contains 336201 sequences. (Running on oeis4.)