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 A139029 #2 Mar 30 2012 17:26:27 %S A139029 43448724,59672019,102128690,113904945,145135734,169755139 %N A139029 This is to A139028 as A139028 to A139027, see A139025 for details. %C A139029 Notice that a(n)-n is always prime by definition, e.g., %C A139029 a(1) - 1 = 43448723, a(2) - 2 = 59672017, a(3) - 3 = 102128687, a(4) - 4 = 113904941, etc. %Y A139029 Cf. A000027, A014688, A061068, A139025, A139026, A139027, A139028. %K A139029 more,nonn %O A139029 1,1 %A A139029 _Zak Seidov_, Apr 07 2008