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 A090404 #5 Dec 05 2013 19:56:37 %S A090404 2,4,6,8,12,16,16,24,32,36,32,48,64,72,80,64,96,128,144,160,192,128, %T A090404 192,256,288,320,384,432,256,384,512,576,640,768,864,896,512,768,1024, %U A090404 1152,1280,1536,1728,1792,1920,1024,1536,2048,2304,2560,3072,3456,3584,3840,4096,2048,3072,4096,4608,5120,6144,6912,7168,7680,8192,9216 %N A090404 Triangle read by rows in which the n-th row contains the n smallest numbers that are the product of n numbers > 1. %e A090404 Triangle begins: %e A090404 2 %e A090404 4 6 %e A090404 8 12 16 %e A090404 ... %Y A090404 Cf. A081954, A002262. %K A090404 tabl,nonn %O A090404 1,1 %A A090404 _Amarnath Murthy_, Apr 02 2003 %E A090404 Corrected and extended by _David Wasserman_, Jul 21 2004