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 A235177 #7 Jan 11 2014 12:40:39 %S A235177 1,448,1384,1520,2216,2240,2264,2316,2432,2488,2536,2560,3280,3324, %T A235177 3384,3420,3464,3600,3712,3736,3924,12392,12560,12576,12664,12720, %U A235177 12756,12780,12828,12992,13044,13116,17360,17432,18072,18108,18336,18368,18636,18664 %N A235177 a(n) is a refactorable number and the sum of all refactorable numbers <= a(n) is also a refactorable number. %H A235177 Giovanni Resta, <a href="/A235177/b235177.txt">Table of n, a(n) for n = 1..1000</a> %e A235177 The sum of the terms of A033950 <= 448 equals 9120, which is A033950(616). %Y A235177 Cf. A033950, A235176. %K A235177 nonn %O A235177 1,2 %A A235177 _Ivan N. Ianakiev_, Jan 04 2014 %E A235177 a(8)-a(40) from _Giovanni Resta_, Jan 04 2014