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 A097218 #3 Mar 30 2012 17:27:19 %S A097218 3,5,7,9,11,13,14,15,17,19,21,22,23,25,26,27,29,31,33,34,35,37,38,39, %T A097218 41,43,45,46,47,49,50,51,52,53,55,57,58,59,61,62,63,65,67,68,69,71,73, %U A097218 74,75,76,77,79,81,82,83,85,86,87,89,91,92,93,94,95,97,98,99,101,103,106 %N A097218 Numbers n such that A076078(n) < n, where A076078(n) equals the number of sets of distinct positive integers with a least common multiple of n. %K A097218 nonn %O A097218 1,1 %A A097218 _Matthew Vandermast_, Aug 12 2004