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%I #18 Jun 13 2018 08:32:20
%S 9,15,45,133,141,145,235,261,341,365,423,561,657,703,705,721,763,781,
%T 949,1105,1305,1417,1551,1645,1729,1885,1891,1957,1991,2071,2115,2117,
%U 2201,2465,2701,2821,3201,3285,4033,4089,4187,4371,4465,4681,5365,5611,5781
%N Pseudoprimes to base 46.
%C Composite numbers n such that 46^(n-1) == 1 (mod n). - _Michel Lagneau_, Feb 18 2012
%H T. D. Noe, <a href="/A020174/b020174.txt">Table of n, a(n) for n = 1..1000</a>
%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>
%t 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 *)
%Y Cf. A001567 (pseudoprimes to base 2).
%K nonn
%O 1,1
%A _David W. Wilson_