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 A157248 #16 Jul 25 2024 14:08:30
%S A157248 1,2,3,6,4,5,7,8,9,10,15,230,57960,11,12,13,14,16,17,18,19,20,21,22,
%T A157248 23,24,25,26,27,28,29,30,1544,8242614,92401258430373,
%U A157248 36895712779713620978746324067
%N A157248 'Greedy' sequence formed by summing unit fractions until the sum is 1, and repeating using up the 'left over' fractions.
%C A157248 Subsequence of starting elements of each pass may be related to A002387 1,2,4,11,31,83,... - _David W. Wilson_
%D A157248 H. Ibstedt, Computer Analysis of Number Sequences, American Research Press, 1998; Chapter VI.2 Integers represented as sums of terms of the harmonic series.
%H A157248 Jeremy Gardiner, <a href="/A157248/b157248.txt">Table of n, a(n) for n=1..94</a>
%H A157248 K. S. Brown's Mathpages, <a href="http://www.mathpages.com/home/kmath454.htm">The Greedy Algorithm for Unit Fractions</a>
%e A157248 1/2+1/3+1/6=1
%o A157248 (PARI) {r=1;u=[];l=1;for(n=1,99,while(setsearch(u,l),l++);m=ceil(1/r);while(setsearch(u,m),m++);print1(m",");r-=1/m;r||r=1;u=setunion(u,Set(m)))} \\ _M. F. Hasler_
%Y A157248 Cf. A192881.
%K A157248 nonn
%O A157248 1,2
%A A157248 _Jeremy Gardiner_, Feb 25 2009