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 A179628 #3 Mar 30 2012 18:55:34 %S A179628 0,4,23,39,116,175,306,393,578,966,1054,1483,1907,2116,2608,3251,3980, %T A179628 4398,5350,5967,6469,7450,8336,9624,11197,12084,12796,13946,14700, %U A179628 15916,19642,21058,22795,23482,27079,28127,30116,32833,34643,37530,39819 %N A179628 Sum of the numbers already killed in the first jump of a Sieve of Eratosthenes table. %C A179628 2(4) = 0, 3(6) = 4, 5(10) = 23(6,8,9), 7(14) = 39(8,9,10,12), 11(22) = 116(12,14,15,16,18,20,21) %C A179628 Sum of the composite numbers from prime(n) up to 2*prime(n)-1. [From _R. J. Mathar_, Jul 21 2010] %Y A179628 Cf. A000040 %K A179628 easy,nonn %O A179628 0,2 %A A179628 _Odimar Fabeny_, Jul 21 2010 %E A179628 More terms from _R. J. Mathar_, Jul 21 2010