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

%I #13 Apr 30 2024 20:43:48

%S 4095,16245775,60131384705,210502738714097,714097521397778495,

%T 2380826437768134741023,7862987107940658832635809,

%U 25834416752721407468468718385,84641600245355780352751022513463,276889755885138056467643815501003447,905061607197623234620822097612564300097

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

%H Sean A. Irvine, <a href="/A069387/b069387.txt">Table of n, a(n) for n = 1..100</a>

%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 1,1

%A _R. H. Hardin_, Mar 22 2002

%E More terms from _Sean A. Irvine_, Apr 30 2024