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 A287974 #6 Jun 03 2017 19:03:02 %S A287974 1,1,2,5,14,42,132,429,1430,4862,16796,58785,208010,742873,2674282, %T A287974 9693840,35351966,129613793,477477188,1766446640,6560091544, %U A287974 24446776958,91389820234,342624437057,1287886748877,4852692487519,18325298874477,69344013520559 %N A287974 Number of Dyck paths of semilength n such that no level has more than ten peaks. %H A287974 Alois P. Heinz, <a href="/A287974/b287974.txt">Table of n, a(n) for n = 0..1000</a> %H A287974 Wikipedia, <a href="https://en.wikipedia.org/wiki/Lattice_path#Counting_lattice_paths">Counting lattice paths</a> %F A287974 a(n) = A287847(n,10). %F A287974 a(n) = A000108(n) for n <= 10. %Y A287974 Column k=10 of A287847. %Y A287974 Cf. A000108. %K A287974 nonn %O A287974 0,3 %A A287974 _Alois P. Heinz_, Jun 03 2017