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 A241722 #5 Apr 28 2014 09:47:32 %S A241722 1,1,2,3,5,32,35,63,93,148,205,589,674,1111,1551,2344,3140,4616,8210, %T A241722 10370,14976,20564,28598,38244,52451,68597,105527,131194,180087, %U A241722 234267,316204,404032,538282,683281,893039,1205430,1516912,1949691,2506797,3192751,4039430 %N A241722 Number of compositions of n into distinct parts with exactly three descents. %H A241722 Alois P. Heinz, <a href="/A241722/b241722.txt">Table of n, a(n) for n = 10..1000</a> %e A241722 a(14) = 5: [5,4,3,2], [8,3,2,1], [6,5,2,1], [7,4,2,1], [6,4,3,1]. %e A241722 a(15) = 32: [7,5,2,1], [9,3,2,1], [6,5,3,1], [7,4,3,1], [8,4,2,1], [6,4,3,2], [4,3,2,5,1], [3,5,4,2,1], [4,3,5,2,1], [5,2,4,3,1], [2,5,4,3,1], [4,2,5,3,1], [5,4,3,1,2], [5,1,4,3,2], [3,1,5,4,2], [5,3,1,4,2], [4,1,5,3,2], [1,5,4,3,2], [5,4,1,3,2], [4,3,1,5,2], [5,4,2,1,3], [2,1,5,4,3], [5,2,1,4,3], [4,2,1,5,3], [3,2,1,5,4], [5,3,2,1,4], [4,3,2,1,5], [5,4,2,3,1], [5,3,4,2,1], [4,5,3,2,1], [3,2,5,4,1], [5,3,2,4,1]. %Y A241722 Column k=3 of A241719. %K A241722 nonn %O A241722 10,3 %A A241722 _Alois P. Heinz_, Apr 27 2014