A020246 - OEIS

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A020246

Strong pseudoprimes to base 20.

21, 671, 889, 1891, 2059, 2761, 5461, 7999, 13051, 15311, 16441, 21667, 25681, 34861, 37901, 38989, 42127, 49771, 50737, 54811, 64681, 68251, 78961, 85591, 88831, 92509, 93031, 96049, 97921, 105001, 109061, 111361, 114841, 123713, 143009, 145351

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..208

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A158216 A262960 A341571 * A239099 A006934 A211877

Adjacent sequences: A020243 A020244 A020245 * A020247 A020248 A020249

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved