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A202646 Number of (n+2)X9 binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals 1

%I

%S 25526,224940,2443538,27264078,304200608,3423531924,38841628112,

%T 440204384164,4991946563700,56832465909314,646275853203400,

%U 7346916109114702,83673041654762546,952266920996706060

%N Number of (n+2)X9 binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals

%C Column 7 of A202647

%H R. H. Hardin, <a href="/A202646/b202646.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 22 2011

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Last modified September 26 23:44 EDT 2022. Contains 357051 sequences. (Running on oeis4.)