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A020254 Strong pseudoprimes to base 28. 1
9, 27, 361, 529, 785, 1431, 2041, 4699, 5149, 8401, 14981, 17767, 27133, 28009, 32551, 33227, 35443, 38503, 43213, 68143, 80137, 81317, 82513, 96139, 97567, 97831, 113521, 123391, 124501, 133141, 146507, 146611, 159259, 187461, 219781, 220585 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..209

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A057901 A320676 A317027 * A124396 A020281 A075539

Adjacent sequences: A020251 A020252 A020253 * A020255 A020256 A020257

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified February 8 23:03 EST 2023. Contains 360153 sequences. (Running on oeis4.)