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 A243483 #7 Feb 09 2015 10:34:31
%S A243483 337,160209,23441160,1838225077,96489145747,3811395804513,
%T A243483 121601176737897,3282923948925446,77478734844431881,
%U A243483 1636893656189797572,31518723465396312391,560886706260989476771,9326899340333117160667,146227744471477090965955,2177361235069807245253904
%N A243483 Number of isoscent sequences of length n with exactly ten descents.
%H A243483 Joerg Arndt and Alois P. Heinz, <a href="/A243483/b243483.txt">Table of n, a(n) for n = 17..100</a>
%t A243483 b[n_, i_, t_] := b[n, i, t] = If[n < 1, 1, Expand[Sum[ If[j < i, x, 1] *b[n - 1, j, t + If[j == i, 1, 0]], {j, 0, t + 1}]]]; a[n_] := Coefficient[b[n - 1, 0, 0], x, 10]; Table[a[n], {n, 17, 40}] (* _Jean-François Alcover_, Feb 09 2015, after A242352 *)
%Y A243483 Column k=10 of A242352.
%K A243483 nonn
%O A243483 17,1
%A A243483 _Joerg Arndt_ and _Alois P. Heinz_, Jun 05 2014