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 A274831 #5 Jul 08 2016 09:49:27 %S A274831 1111,11088011,16169191,101808101,616101919,668808899,686808989, %T A274831 1016969101,1106699011,1199006611,6068888909,6699116699,6699886699, %U A274831 11990006611,16168089191,19190006161,19198086161,66110001199,66880008899,110668899011,161600009191 %N A274831 Strobogrammatic (A000787) composite numbers whose prime factors are strobogrammatic as well. %C A274831 The smallest term which is the product of 3 primes is 1111008888001111 = 11 * 101 * 1000008000001. The smallest term which is not a multiple of 11 or 101 is a(790) = 100111801888108111001 = 100111001 * 1000008000001. %H A274831 Giovanni Resta, <a href="/A274831/b274831.txt">Table of n, a(n) for n = 1..1000</a> %e A274831 16169191 is a term because it is equal to 101 * 160091. %Y A274831 Cf. A000787, A007597. %K A274831 nonn,base %O A274831 1,1 %A A274831 _G. L. Honaker, Jr._ and _Giovanni Resta_, Jul 08 2016