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A197279 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4 1

%I #5 Mar 31 2012 12:36:29

%S 25,275,2626,57137,886737,13500114,209785488,3332948197,55701159000,

%T 888511016495,14113426224907,227682122103328,3670040705518361,

%U 58842498077190676,948189035889733725,15294961470395061151

%N Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4

%C Every 0 is next to 0 2's, every 1 is next to 1 0's, every 2 is next to 2 1's, every 3 is next to 3 1's, every 4 is next to 4 1's

%C Column 7 of A197280

%H R. H. Hardin, <a href="/A197279/b197279.txt">Table of n, a(n) for n = 1..118</a>

%e Some solutions containing all values 0 to 4 for n=4

%e ..1..1..1..0..1..1..0....1..0..0..0..0..1..1....1..3..1..0..0..1..2

%e ..0..0..1..1..4..1..0....1..1..3..1..1..1..0....0..1..3..1..1..4..1

%e ..1..1..3..1..1..3..1....0..1..1..3..1..4..1....0..1..3..1..4..1..0

%e ..2..1..0..0..0..0..1....1..1..0..0..0..1..2....0..1..1..0..1..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 12 2011

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Last modified April 23 10:13 EDT 2024. Contains 371905 sequences. (Running on oeis4.)