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 A069317 #9 Apr 26 2024 19:53:01 %S A069317 22369621,128409116176,771923890744731,4770190643433011072, %T A069317 30039462248781247552723,191623912389094140723074272, %U A069317 1233335138386307928872371551119,7987403217621240109184116174886680,51952942502260713728900637278760621953 %N A069317 Number of 13 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column. %Y A069317 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, 14 X n A069318, 15 X n A069319, 16 X n A069320, by columns A069294-A069305. %K A069317 nonn %O A069317 2,1 %A A069317 _R. H. Hardin_, Mar 14 2002 %E A069317 More terms from _Sean A. Irvine_, Apr 26 2024