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A020256 Strong pseudoprimes to base 30. 1
49, 133, 341, 403, 871, 901, 931, 2059, 2077, 3277, 6031, 8023, 8401, 9881, 11041, 17593, 24929, 26599, 27001, 27133, 33227, 38503, 42127, 43213, 48133, 54961, 66197, 79003, 96049, 106597, 127697, 135137, 137801, 148417, 149761, 163081, 170431 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..203

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A211727 A304674 A257524 * A304171 A118160 A211501

Adjacent sequences:  A020253 A020254 A020255 * A020257 A020258 A020259

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified September 27 04:03 EDT 2022. Contains 357052 sequences. (Running on oeis4.)