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 A014685 #7 Jun 22 2013 16:05:31 %S A014685 1,3,2,4,6,6,6,8,9,10,12,12,12,14,15,16,18,18,18,20,21,22,24,24,25,26, %T A014685 27,28,28,30,32,32,33,34,35,36,36,38,39,40,42,42,42,44,45,46,48,48,49, %U A014685 50,51,52,52,54,55,56,57,58,60,60,60,62,63,64,65,66,68,68,69,70,70,72 %N A014685 In sequence of positive integers add 1 to first prime and subtract 1 from 2nd prime; add 1 to 3rd prime and subtract 1 from 4th prime and so on. %K A014685 nonn,easy %O A014685 1,2 %A A014685 _Mohammad K. Azarian_ %E A014685 More terms from Andrew J. Gacek (andrew(AT)dgi.net)