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A206955 Number of n X 6 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal. 1

%I #7 Aug 25 2022 11:35:33

%S 529,279841,77359677,20694430627,5791955969105,1627105474024831,

%T 455424052435622710,127415469361104045376,35660555119587820948873,

%U 9981129255257517818294172,2793527706022549350443155754

%N Number of n X 6 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.

%C Column 6 of A206957.

%H R. H. Hardin, <a href="/A206955/b206955.txt">Table of n, a(n) for n = 1..96</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A206957.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 13 2012

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Last modified September 9 01:17 EDT 2024. Contains 375759 sequences. (Running on oeis4.)