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A196474 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,3,2,1 for x=0,1,2,3,4 1

%I

%S 8,18,17,70,151,557,2351,6926,16083,43523,126887,366749,1196290,

%T 3904083,12242778,35866180,101052064,296050389,899499517,2807496039,

%U 8933240984,27433666911,81672960692,242780272113,727008678986,2224880992862

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

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

%C Column 5 of A196477

%H R. H. Hardin, <a href="/A196474/b196474.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 03 2011

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Last modified January 25 15:56 EST 2022. Contains 350572 sequences. (Running on oeis4.)