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A206860 Number of nX5 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal 1

%I #5 Mar 31 2012 12:37:14

%S 191,36481,3425501,314918295,31208037240,3092914364659,

%T 303316860005399,29725367062521082,2918687692387968133,

%U 286698257332823360369,28152247554788869997756,2763985738207647315882808

%N Number of nX5 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal

%C Column 5 of A206863

%H R. H. Hardin, <a href="/A206860/b206860.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 13 2012

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Last modified April 19 08:08 EDT 2024. Contains 371782 sequences. (Running on oeis4.)