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 A139026 #2 Mar 30 2012 17:26:27 %S A139026 8,25,110,287,438,623,668,1291,2342,2813,3790,3863,4230,4663,4828, %T A139026 6377,7468,8969,9122,9759,10202,11505,12804,13931,15078,15765,16360, %U A139026 16475,16858,18179,18950,19171,19574,19761,19962,20885,22040,24981,25406 %N A139026 This is to A139025 as A139025 to A014688, see A139025 for details. %C A139026 Notice that a(n)-n is always prime by definition, e.g., %C A139026 a(1) - 1 = 7, a(2) - 2 = 23, a(3) - 3 = 107, etc. %Y A139026 Cf. A000027, A014688, A061068, A139025, A139027, A139028, A139029. %K A139026 nonn %O A139026 1,1 %A A139026 _Zak Seidov_, Apr 07 2008