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A020223 Pseudoprimes to base 95. 1
91, 94, 141, 341, 561, 658, 671, 742, 1111, 1551, 1603, 1891, 1921, 2806, 2821, 2977, 3131, 3367, 3421, 3601, 4089, 4371, 4741, 5461, 5551, 6161, 6533, 6601, 6721, 7107, 8249, 8601, 9121, 9641, 10011, 11041, 13361, 14241, 15841, 16939, 17907, 18019 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Composite numbers n such that 95^(n-1) == 1 (mod n).

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

Index entries for sequences related to pseudoprimes

MATHEMATICA

base = 95; t = {}; n = 1; While[Length[t] < 100, n++; If[! PrimeQ[n] && PowerMod[base, n-1, n] == 1, AppendTo[t, n]]]; t (* T. D. Noe, Feb 21 2012 *)

CROSSREFS

Cf. A001567 (pseudoprimes to base 2).

Sequence in context: A321998 A020318 A126134 * A288453 A184034 A294742

Adjacent sequences:  A020220 A020221 A020222 * A020224 A020225 A020226

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified March 28 07:59 EDT 2020. Contains 333079 sequences. (Running on oeis4.)