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A020241 Strong pseudoprimes to base 15. 1
1687, 3277, 6541, 14041, 14701, 15409, 25313, 31021, 47461, 49241, 50401, 54241, 58969, 60691, 82733, 88831, 97921, 112141, 115669, 156311, 181901, 186497, 191959, 194221, 219781, 227767, 293281, 294079, 323041, 416641, 432821, 470851, 514447 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..216

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A335338 A263061 A281062 * A065903 A204488 A062680

Adjacent sequences:  A020238 A020239 A020240 * A020242 A020243 A020244

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified September 21 10:53 EDT 2020. Contains 337268 sequences. (Running on oeis4.)