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 A087308 #9 Dec 05 2013 19:56:20 %S A087308 1,2,3,5,5,7,481,635,635,199,3841,3841,4979,2995,13561,22903,1691, %T A087308 5951,72697,72697,72697,172151,172151,1782371,1782371 %N A087308 Initial terms associated with the arithmetic progressions in A086786. %H A087308 <a href="/index/Pri#primes_AP">Index entries for sequences related to primes in arithmetic progressions</a> %Y A087308 Cf. A086786, A087306, A087307, A087309, A087310. %Y A087308 Cf. A114664, A114671. %K A087308 nonn %O A087308 1,2 %A A087308 _Amarnath Murthy_, Sep 02 2003 %E A087308 More terms from _David Wasserman_, Jan 08 2006