A069370 - OEIS

%I #12 Apr 30 2024 01:51:03

%S 1,47321,634712209,5341429762353,35761396310047985,

%T 210101996822111263265,1137001292953873957167377,

%U 5822276945638780019957186657,28672084199736350940864453233905,137200626549758017615769211506956897,642383534197189939475136495116939323825

%N Number of 12 X n binary arrays with a path of adjacent 1's from top row to bottom row.

%Y Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 22 2002

%E a(6)-a(11) from _Sean A. Irvine_, Apr 30 2024