This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A112450 #8 Nov 10 2019 13:56:08 %S A112450 15841,29341,52633,74665,252601,314821,476971,635401,1004653,1023121, %T A112450 1907851,1909001,2419385,2953711,3581761,4335241,4682833,5049001, %U A112450 5444489,5599765,5681809,9069229,13421773,15247621,15510041,15603391,17509501,26254801,26758057,27966709 %N A112450 Strong pseudoprimes (base-2) equal to product of 3 primes not necessarily distinct. %C A112450 The term a(11)=1907851 is also a strong pseudoprime to base 5, cf. A020231. _M. F. Hasler_, Aug 16 2012 %H A112450 Amiram Eldar, <a href="/A112450/b112450.txt">Table of n, a(n) for n = 1..10000</a> %e A112450 a(1) = 15841 = 7*31*73. %Y A112450 Intersection of A014612 and A001262. %K A112450 nonn %O A112450 1,1 %A A112450 _Shyam Sunder Gupta_, Dec 12 2005 %E A112450 More terms from _Amiram Eldar_, Nov 10 2019