login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Strong pseudoprimes to base 70.
1

%I #11 Aug 06 2015 11:08:21

%S 69,169,341,377,671,949,1891,3053,4901,6001,9301,9361,12209,12337,

%T 12881,15251,18829,19951,20801,24727,31417,31609,32131,36301,38503,

%U 38963,40501,47197,48133,56033,58969,60551,61309,68017,71149,71431,94657,96139

%N Strong pseudoprimes to base 70.

%H R. J. Mathar, <a href="/A020296/b020296.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_