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 A224910 #7 Apr 19 2013 14:46:15
%S A224910 2,3,6,2,4,4,3,3,3
%N A224910 Positive integer solutions to 1/p + 1/q + 1/r = 1 by lexicographic order.
%H A224910 Frits Beukers, <a href="http://www.staff.science.uu.nl/~beuke106/Fermatlectures.pdf"> The generalized Fermat equation.</a>
%e A224910 The sequence consists of the three triples {2, 3, 6}, {2, 4, 4}, {3, 3, 3}.
%t A224910 {p, q, r} /. {ToRules @ Reduce[0 < p <= q <= r <= 6 && 1/p + 1/q + 1/r == 1, {p, q, r}, Integers]} // Flatten
%Y A224910 Cf. A030659.
%K A224910 nonn,fini,full
%O A224910 0,1
%A A224910 _Jean-François Alcover_, Apr 19 2013