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A197068 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,3,0,2 for x=0,1,2,3,4 1

%I #5 Mar 31 2012 12:36:28

%S 13,890,55882,3302634,211057159,12999535244,814152081238,

%T 50916124396857,3169573665892646,197847302932994974,

%U 12351729551918734858,770687990728503616778,48091585181900385239782,3001138140644565155352997

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

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

%C Column 7 of A197069

%H R. H. Hardin, <a href="/A197068/b197068.txt">Table of n, a(n) for n = 1..197</a>

%e Some solutions for n=4

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

%e ..0..0..0..3..0..0..0....0..0..0..0..0..0..3....0..0..0..0..0..0..0

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 09 2011

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)