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 A053160 #11 Mar 18 2019 08:12:29 %S A053160 2,23,523,2357,112573,11132357,1111233757,111112337579,11111223373597, %T A053160 0,111111222333357997,11111122233333597977,1111111222333334579977, %U A053160 111111122233333344977597,11111112223333334447797759,0,111111122233333334445557999777,0,1111111122233333334445556677799779 %N A053160 Smallest prime associated with A053095(n), or zero if no such prime exists. %H A053160 Chai Wah Wu, <a href="/A053160/b053160.txt">Table of n, a(n) for n = 1..299</a> %e A053160 a(7)=1111233757 because it is the smallest prime consisting of the digits 2+3+5+7+11+13+17. %Y A053160 Cf. A053095, A053161. %K A053160 base,nonn %O A053160 1,1 %A A053160 _Enoch Haga_, Mar 19 2000 %E A053160 Edited and extended by _Ray Chandler_, Apr 08 2010 %E A053160 a(17)-a(19) from _Chai Wah Wu_, Mar 17 2019