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A206861 Number of nX6 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 529,279841,61164640,13093461017,3092914364659,729358354663001,

%T 169438223533971179,39337025494858264742,9160013752465174862941,

%U 2134232035568356911671588,496969525342232065594867876

%N Number of nX6 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal

%C Column 6 of A206863

%H R. H. Hardin, <a href="/A206861/b206861.txt">Table of n, a(n) for n = 1..60</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 13 2012

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Last modified September 19 12:50 EDT 2024. Contains 376012 sequences. (Running on oeis4.)