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A020174 Pseudoprimes to base 46. 1
9, 15, 45, 133, 141, 145, 235, 261, 341, 365, 423, 561, 657, 703, 705, 721, 763, 781, 949, 1105, 1305, 1417, 1551, 1645, 1729, 1885, 1891, 1957, 1991, 2071, 2115, 2117, 2201, 2465, 2701, 2821, 3201, 3285, 4033, 4089, 4187, 4371, 4465, 4681, 5365, 5611, 5781 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Composite numbers n such that 46^(n-1) == 1 (mod n). [From Michel Lagneau, Feb 18 2012]

LINKS

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

Index entries for sequences related to pseudoprimes

MATHEMATICA

base = 46; 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: A146789 A194946 A020172 * A020315 A020270 A020272

Adjacent sequences:  A020171 A020172 A020173 * A020175 A020176 A020177

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified March 27 13:47 EDT 2017. Contains 284176 sequences.