%I #19 Nov 06 2019 12:38:54

%S 9,65,481,511,1417,2047,2501,3277,3641,4033,4097,4681,8321,11041,

%T 15841,16589,19561,24311,24929,29341,41441,42799,45761,49141,52429,

%U 52633,54161,55969,56033,59291,61337,65281,66197,74023,74665,77161,80581,85489,87061

%N Strong pseudoprimes to base 8.

%H Amiram Eldar, <a href="/A020234/b020234.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..237 from R. J. Mathar)

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/StrongPseudoprime.html">Strong Pseudoprime</a>

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

%Y Cf. A020137, A001262, A020229, A020230, A020231, A020232, A020233.

%K nonn

%O 1,1

%A _David W. Wilson_