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A207477 Number of n X 6 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal. 0

%I #6 Dec 29 2023 11:49:12

%S 2902,8421604,9918542118,14048417801822,19555176286561332,

%T 27133109124370438420,37628798991659309387420

%N Number of n X 6 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.

%C Column 6 of A207479.

%e Some solutions for n=4

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

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

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

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

%Y Cf. A207479.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 18 2012

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)