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 A055888 #5 Mar 30 2012 17:37:11 %S A055888 1,1,2,1,3,4,1,5,8,8,1,6,16,20,16,1,8,25,46,48,32,1,9,37,84,124,112, %T A055888 64,1,11,50,142,256,320,256,128,1,12,67,216,480,732,800,576,256,1,14, %U A055888 84,319,812,1500,2000,1952,1280,512,1,15,105,443,1304,2772,4432,5280 %N A055888 Invert transform of partition triangle A008284. %H A055888 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a> %e A055888 1; 1,2; 1,3,4; 1,5,8,8; 1,6,16,20,16; ... %Y A055888 Row sums give A055887. %K A055888 nonn,tabl %O A055888 1,3 %A A055888 _Christian G. Bower_, Jun 09 2000