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 A162340 #5 Mar 11 2014 01:34:15 %S A162340 1,2,5,6,10,12,16,18,22,26,31,34,40,42,46,50,57,60,65,69,73,76,82,86, %T A162340 94,99,103,105,109,111,121,129,135,138,145,150,155,160,166,170,177, %U A162340 180,187,192,196,198,206,217,226,228,232,236,241,246,255,260,267,270,275,279 %N A162340 Number of "ON" cells at n-th stage in simple 2-dimensional cellular automaton whose virtual skeleton is a polyedge as the graph of the "mountain path" function for prime numbers. %C A162340 a(n) is also the number of grid points that are covered after n-th stage by the same polyedge mentioned in the definition of this sequence. %C A162340 Also, partial sums of A162341. %H A162340 Omar E. Pol, <a href="http://www.polprimos.com/imagenespub/polmpfpn.jpg">Graph of the mountain path function for prime numbers</a> %H A162340 Omar E. Pol, <a href="http://www.polprimos.com/imagenespub/polmpca1.jpg">Illustration: The mountain path of the primes</a> %Y A162340 Cf. A000040, A006005, A008578, A162200, A162201, A162202, A162203, A162341. %K A162340 nonn %O A162340 0,2 %A A162340 _Omar E. Pol_, Jul 01 2009 %E A162340 Edited by _Omar E. Pol_, Jul 05 2009 %E A162340 More terms from _Nathaniel Johnston_, Nov 06 2010