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 A122763 #12 May 22 2014 19:16:57 %S A122763 0,1,2,6,30,150,210,13860,60060,420420,4144140,9699690,87297210, %T A122763 717777060,4180566390,18846497670,26004868890 %N A122763 A093364 with duplicates removed. %e A122763 Succeedingly longer arithmetic progressions of primes where the end value is smallest (A005115) start 2,2+j,3+2j,5+6j,5+6j,7+30j,7+150j... This sequence collects the unique values of the common differences. %Y A122763 Cf. A093364, A005115. %K A122763 nonn,hard,more %O A122763 1,3 %A A122763 _Roger L. Bagula_, Sep 22 2006 %E A122763 Edited by _Ralf Stephan_, May 22 2014