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 A094158 #11 Mar 07 2015 06:22:37 %S A094158 1,2,5,13,19,32,53,89,139,199,293,887,1129,1331,5591,8467,9551,15683, %T A094158 19609,31397,155921,360653,370261,492113,1349533,1357201,2010733, %U A094158 4652353 %N A094158 Erroneous version of A002540. %D A094158 J. P. Gram, Undersoegelser angaaende maengden af primtal under en given graense, Det Kongelige Danskevidenskabernes Selskabs Skrifter, series 6, vol. 2 (1884), 183-288; see p. 255. %D A094158 N. J. A. Sloane, A Handbook of Integer Sequences, Entry 565, Academic Press, 1973. %D A094158 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Entry M1431, Academic Press, 1995. %K A094158 dead %O A094158 1,2