%I
%S 800605,4502485,5310721,7177105,9995671,10655905,11473885,13216141,
%T 15698431,21417991,22564081,29878381,36338653,38624041,43397551,
%U 45485881,45769645,48369727,51340807,57561085,77576401,81445585,86067241,90626185,104852881,112792519,115007581
%N Strong pseudoprimes (base2) equal to product of 4 primes not necessarily distinct.
%H Amiram Eldar, <a href="/A112451/b112451.txt">Table of n, a(n) for n = 1..10000</a>
%e a(1) = 800605 = 5*13*109*113.
%Y Intersection of A014613 and A001262.
%K nonn
%O 1,1
%A _Shyam Sunder Gupta_, Dec 12 2005
%E More terms from _Amiram Eldar_, Nov 10 2019
