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 A088636 #7 Jun 24 2022 23:37:20 %S A088636 1,3,7,10,16,21,29,36,45,56,66,79,91,108,122,141,156,179,195,224,242, %T A088636 273,293,330,351,392,414,457,481,528,553,606,632,691,718,779,807,874, %U A088636 904,975,1007,1080,1113,1192,1226,1309,1344,1433,1469,1566,1604,1705 %N A088636 a(1) = 1, a(2n+1) - a(2n) = composite(n), a(2n) - a(2n-1) = prime(n). %Y A088636 Partial sums of A073846. %K A088636 nonn %O A088636 1,2 %A A088636 _Amarnath Murthy_, Oct 26 2003 %E A088636 More terms from _David Wasserman_, Aug 16 2005