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Strong pseudoprimes to base 51.
1

%I #11 Aug 06 2015 07:52:34

%S 25,175,1247,1681,2059,2653,3053,5461,8365,9475,11041,12209,13427,

%T 13747,18103,19909,22177,29891,31621,32477,32873,33163,33661,42811,

%U 44065,52111,53467,58801,61075,66325,68251,68953,79381,88537,93961,96049,96727

%N Strong pseudoprimes to base 51.

%H R. J. Mathar, <a href="/A020277/b020277.txt">Table of n, a(n) for n = 1..300</a>

%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>

%K nonn

%O 1,1

%A _David W. Wilson_