login
Number of 7 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.
17

%I #11 Apr 27 2024 15:36:21

%S 1,288,47239,6279393,749866185,83949041929,9009490924794,

%T 939356338522456,95972872569551099,9664595615275994739,

%U 963147644297772022870,95261720343073832781620,9370213923827917022436855

%N Number of 7 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

%Y Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 12 X n A069334, 13 X n A069335, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 16 2002

%E a(8)-a(13) from _Sean A. Irvine_, Apr 27 2024