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 A243422 #4 Jun 04 2014 17:56:18 %S A243422 1,23,334,3793,36271,304880,2319261,16302850,107540243,673544651, %T A243422 4041910962,23405090601,131512656290,720269482372,3858780032696, %U A243422 20281334280042,104826233409130,533858971182764,2683369513323113,13330082269584906,65522957179453221 %N A243422 Number of Dyck paths of semilength n having exactly 10 (possibly overlapping) occurrences of the consecutive steps UDUUDU (with U=(1,1), D=(1,-1)). %H A243422 Alois P. Heinz, <a href="/A243422/b243422.txt">Table of n, a(n) for n = 22..550</a> %Y A243422 Column k=10 of A243366. %K A243422 nonn %O A243422 22,2 %A A243422 _Alois P. Heinz_, Jun 04 2014