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 A091834 #3 Mar 31 2012 20:08:05 %S A091834 2,3,6,4,2,4,5,15,10,10,6,3,2,6,3,7,21,21,14,14,21,8,4,8,2,8,4,8,9,18, %T A091834 3,9,18,6,9,18,10,5,10,15,2,10,5,10,15,11,44,44,33,33,22,22,44,44,33 %N A091834 Triangle read by rows: T(n,k) = maximum denominator in the Egyptian fraction representation that minimizes the maximum denominator of the k-th entry of row n of the triangle of numbers 1/2; 1/3, 2/3; 1/4, 2/4, 3/4; ... %e A091834 The 47th position, corresponding to the fraction 2/11, has value 44 because 2/11=1/12+1/22+1/33+1/44 and there is no way of writing 2/11 as a sum of distinct unit fractions with all denominators less than 44. %Y A091834 Cf. A050210. %K A091834 nonn,tabl %O A091834 0,1 %A A091834 _David Eppstein_, Mar 09 2004