A140658 - OEIS

%I #14 Nov 29 2021 12:24:18

%S 5173601,13694761,16070429,27509653,54029741,66096253,102690677,

%T 117987841,193949641,206304961,314184487,390612221,393611653,

%U 717653129,960946321,1157839381,1236313501,1481626513,1860373241,1921309633,2217879901,2412172153,2626783921

%N Overpseudoprimes to bases 2 and 3.

%C From the first 19 strong pseudoprimes to bases 2 and 3 (A072276) only 6 are overpseudoprimes to the same bases.

%H Daniel Suteu, <a href="/A140658/b140658.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..105 from Amiram Eldar)

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

%Y Intersection of A141232 and A141350; subsequence of A072276.

%Y Cf. A001262, A020229.

%K nonn

%O 1,1

%A _Vladimir Shevelev_, Jul 10 2008

%E More terms from _Amiram Eldar_, Jun 24 2019