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 A246234 #7 Feb 11 2015 04:10:44 %S A246234 2431106898187968000,25830510793247160000,121150160426367072000, %T A246234 478913588068635720000,1848522650426852400000,6067325851827648408000, %U A246234 19158973516499432616000,59882095876893754464000,173801554657753702680000,487295849448575903736000 %N A246234 Number of compositions of n into exactly seven different parts with distinct multiplicities. %H A246234 Alois P. Heinz, <a href="/A246234/b246234.txt">Table of n, a(n) for n = 84..120</a> %t A246234 $RecursionLimit = 1000; b[n_, i_, s_List] := b[n, i, s] = If[n == 0, Total[s]!, If[i < 1, 0, Expand[ Sum[ If[j > 0 && MemberQ[s, j], 0, If[j == 0, 1, x]*b[n - i*j, i - 1, If[j == 0, s, s ~Union~ {j}]]/j!], {j, 0, n/i}]]]]; a[n_] := Coefficient[b[n, n, {}], x, 7]; Table[a[n], {n, 84, 100}] (* _Jean-François Alcover_, Feb 11 2015, after _Alois P. Heinz_ *) %Y A246234 Column k=7 of A242896. %K A246234 nonn %O A246234 84,1 %A A246234 _Alois P. Heinz_, Aug 19 2014