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 A243779 #4 Jun 11 2014 22:22:38 %S A243779 120,0,0,0,0,0,1242286,67,0,0,37818,0,490210,0,0,0,6509142657552,0,0, %T A243779 163318,81043930,1409799253711,38901493532,13399508027211,2055406724, %U A243779 1430715,75368838054510,5436661972988347050,58576501701861,1142005789397748,7372114735568176431 %N A243779 Number of Dyck paths of semilength n having exactly ten (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1). %H A243779 Alois P. Heinz, <a href="/A243779/b243779.txt">Table of n, a(n) for n = 15..200</a> %Y A243779 Column k=10 of A243752. %Y A243779 Main diagonal of A243836. %K A243779 nonn %O A243779 15,1 %A A243779 _Alois P. Heinz_, Jun 10 2014