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 A182730 #12 Mar 11 2014 01:34:18 %S A182730 0,2,2,4,2,4,3,6,2,4,3,6,5,4,8,2,4,3,6,5,4,8,4,7,6,5,10,2,4,3,6,5,4,8, %T A182730 4,7,6,5,10,3,6,5,9,4,8,7,6,12,2,4,3,6,5,4,8,4,7,6,5,10,3,6,5,9,4,8,7, %U A182730 6,12,5,4,8,7,6,11,6,5,10,9,8,7,14,2,4,3,6,5,4,8,4,7,6,5,10,3,6,5,9,4,8,7,6,12,5,4,8,7,6,11,6,5,10,9,8,7,14,4,7,6,5,10,5,9,8,7,13,4,8,7,6,12,6,11,10,9,8,16 %N A182730 Even-indexed rows of triangle A141285. %H A182730 Omar E. Pol, <a href="http://www.polprimos.com/imagenespub/polpa3dt.jpg">Illustration of the shell model of partitions (3D view)</a> %e A182730 Triangle begins: %e A182730 0, %e A182730 2, %e A182730 2, 4, %e A182730 2, 4, 3, 6, %e A182730 2, 4, 3, 6, 5, 4, 8, %e A182730 2, 4, 3, 6, 5, 4, 8, 4, 7, 6, 5, 10, %e A182730 2, 4, 3, 6, 5, 4, 8, 4, 7, 6, 5, 10, 3, 6, 5, 9, 4, 8, 7, 6, 12 %Y A182730 Cf. A135010, A138121, A141285, A182731, A182733. %Y A182730 Rows converge to A182732. %K A182730 nonn,tabf %O A182730 1,2 %A A182730 _Omar E. Pol_, Nov 28 2010, Nov 30 2010