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 A111804 #7 Mar 31 2012 20:17:55 %S A111804 1,2,3,6,4,4,5,15,10,10,6,3,7,21,21,14,14,21,8,8,8,8,9,18,9,18,9,18, %T A111804 10,10,5,15,11,44,44,33,33,22,22,44,44,33,12,6,4,6,13,65,39,39,52,52, %U A111804 26,26,39,39,52,65,14,14,21,7,21,21,15,20,10,10,5,15,6,10,16,16,16,16,16,16 %N A111804 Triangle read by rows: for T(n,k), 1<=k<=n, gcd(k,n)=1, consider all representations of k/n as an Egyptian fraction; T(n,k) = minimal value of maximal denominator. %D A111804 Franklin T. Adams-Watters, Posting to Seq Fan mailing list, Aug 21 2004 %H A111804 <a href="/index/Ed#Egypt">Index entries for sequences related to Egyptian fractions</a> %e A111804 Triangle begins: %e A111804 1 %e A111804 2 %e A111804 3 6 %e A111804 4 4 %e A111804 5 15 10 10 %e A111804 6 3 %e A111804 7 21 21 14 14 21 %e A111804 8 8 8 8 %e A111804 9 18 9 18 9 18 %e A111804 10 10 5 15 %e A111804 11 44 44 33 33 22 22 44 44 33 %e A111804 12 6 4 6 %e A111804 13 65 39 39 65 52 26 26 39 39 52 65 %Y A111804 Cf. A097847, A097848, A097849, A111807, A111809, A111860. %K A111804 nonn,tabf %O A111804 1,2 %A A111804 _N. J. A. Sloane_, based on communications from _Franklin T. Adams-Watters_, Nov 22 2005 %E A111804 One term corrected by _David Wasserman_, Feb 17 2009