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A020164 Pseudoprimes to base 36. 1
35, 91, 185, 217, 259, 301, 403, 481, 559, 679, 703, 1105, 1111, 1147, 1261, 1295, 1333, 1387, 1591, 1729, 1891, 2465, 2651, 2701, 2821, 3007, 3145, 3367, 3421, 3565, 3589, 3913, 4123, 4141, 4171, 4495, 5551, 5611, 5713, 6001, 6485, 6533, 6601, 6643, 7471 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Composite numbers n such that 36^(n-1) == 1 (mod n). - 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 = 36; 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: A182755 A300554 A020295 * A146206 A259978 A044222

Adjacent sequences:  A020161 A020162 A020163 * A020165 A020166 A020167

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified July 23 01:44 EDT 2019. Contains 325228 sequences. (Running on oeis4.)