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A197214 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,2,1,0 for x=0,1,2,3,4 1

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

%S 1,18,149,1175,10210,84893,706153,5894192,49247065,411367276,

%T 3434602140,28682410161,239530800201,2000290147256,16704503683687,

%U 139499503942475,1164956427123627,9728544605113135,81243067790950141,678460374702910366

%N Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,2,1,0 for x=0,1,2,3,4

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

%C Column 5 of A197217

%H R. H. Hardin, <a href="/A197214/b197214.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 11 2011

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Last modified July 13 20:28 EDT 2024. Contains 374288 sequences. (Running on oeis4.)