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A207234 Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal 0

%I

%S 1121,1256641,191801477,68168506265,22315875854161,6288613378797777,

%T 1735838281998728881,487608742366796981785

%N Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal

%C Column 7 of A207235

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012

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Last modified October 22 22:22 EDT 2020. Contains 337962 sequences. (Running on oeis4.)