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 A069319 #6 Mar 31 2012 12:35:00 %S A069319 357913941,8218237436320,197632881512065275,4887273170271827787216 %N A069319 Number of 15 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column. %Y A069319 Cf. 2 X n A069306, 3 X n A069307, 4 X n A069308, 5 X n A069309, 6 X n A069310, 7 X n A069311, 8 X n A069312, 9 X n A069313, 10 X n A069314, 11 X n A069315, 12 X n A069316, 13 X n A069317, 14 X n A069318, 16 X n A069320, by columns A069294-A069305. %K A069319 nonn %O A069319 2,1 %A A069319 _R. H. Hardin_, Mar 14 2002