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A020249 Strong pseudoprimes to base 23. 2
169, 265, 553, 1271, 2701, 4033, 4371, 4681, 6533, 6541, 7957, 8321, 8651, 8911, 9805, 14981, 18721, 25201, 31861, 34133, 44173, 47611, 47783, 50737, 57401, 62849, 82513, 96049, 109061, 113737, 140807, 153181, 163933, 177193, 182071, 210493, 210799 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..686

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A018820 A231632 A202004 * A287391 A325421 A296304

Adjacent sequences:  A020246 A020247 A020248 * A020250 A020251 A020252

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified September 17 06:16 EDT 2021. Contains 347478 sequences. (Running on oeis4.)