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 A178886 #7 Mar 31 2012 13:23:39 %S A178886 1,1,1,2,2,1,6,4,2,3,1,24,12,12,6,6,4,1,120,48,48,24,18,36,6,8,12,5,1, %T A178886 720,240,240,240,72,144,72,72,24,72,24,10,20,6,1,5040,1440,1440,1440, %U A178886 720,360 %N A178886 Divide, cell by cell, sequence A178802 by sequence A178888. %C A178886 Sequences A178802, A178888 and A178886 have A000041(n) entries per row. %F A178886 T(n,k) = A178802(n,k) / A178888(n,k) %e A178886 A178802 begins 1 2 2 6 12 6 24 48 24 72 24 ... %e A178886 A178888 begins 1 2 2 3 6 6 4 12 12 24 24 ... %e A178886 therefore %e A178886 A178886 begins 1 1 1 2 2 1 6 4 2 3 1 ... %Y A178886 Cf. A000041, A000522 (row sums), A002866, A178802, A178887, A178888. %K A178886 easy,nonn,tabf %O A178886 1,4 %A A178886 _Alford Arnold_, Jun 21 2010