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 A088781 #9 Sep 17 2023 01:30:30 %S A088781 5,1,2,13,3,18,4,23,8,26,5,31,6,35,36,38,7,42,8,197,47,48,9,53,54,56, %T A088781 31,60,10,63,11,216,51,69,71,73,12,76,34,79,13,82,14,86,88,89,15,93, %U A088781 35,96,36,98,16,100,102,103,37,107,17,110,18,257,38,116,119,121,19,124,57,126 %N A088781 A068164 indexed by A000040. %H A088781 Robert Price, <a href="/A088781/b088781.txt">Table of n, a(n) for n = 1..10000</a> %H A088781 <a href="/index/Pri#piden">Index entries for primes involving decimal expansion of n</a> %F A088781 a(n)=k such that A068164(n)=A000040(k). %Y A088781 Cf. A068164, A000040. %K A088781 base,easy,nonn %O A088781 1,1 %A A088781 _Ray Chandler_, Oct 27 2003