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A202895 Number of (n+2)X7 binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals. 1

%I #8 Jul 19 2023 10:16:56

%S 6037,41125,369152,2990844,22949327,180517936,1420515543,11069517743,

%T 86276642450,673095183355,5245398314983,40862479204859,

%U 318357363798128,2480076729323653,19319031529417637,150487839788253530

%N Number of (n+2)X7 binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals.

%H R. H. Hardin, <a href="/A202895/b202895.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%Y Column 5 of A202898.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 25 2011

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Last modified April 24 08:28 EDT 2024. Contains 371927 sequences. (Running on oeis4.)