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 A087833 #4 Oct 19 2017 03:14:23 %S A087833 211,252,372,414,416,498,533,576,724,738,793,832,1054,1187,1344,1598, %T A087833 1795,1946,2006,2040,2051,2098,2177,2283,2295 %N A087833 a(n)*primorial(2423)+1 is prime. %C A087833 The "2423" sequence has rather many terms below 2423. %Y A087833 Cf. A002110, A087730-2, A087832, 3, 5, 7. %K A087833 nonn %O A087833 0,1 %A A087833 _Pierre CAMI_, Oct 07 2003 %E A087833 Edited by _Don Reble_, Nov 09 2005