A020220 Pseudoprimes to base 92.

21, 39, 65, 91, 93, 105, 217, 231, 273, 301, 341, 403, 451, 465, 559, 561, 651, 861, 1001, 1085, 1105, 1209, 1271, 1333, 1365, 1393, 1661, 1729, 2465, 2587, 2701, 2821, 3171, 3731, 3781, 3913, 4033, 4123, 4371, 4641, 4681, 5565, 6045, 6169, 6191, 6697, 7161

Offset

1,1

Comments

Composite numbers n such that 92^(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 = 92; 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: A339002 A339004 A270667 * A251122 A084856 A070666

Adjacent sequences: A020217 A020218 A020219 * A020221 A020222 A020223

Keyword

nonn

Author

David W. Wilson

Status

approved