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A183781 Half the number of (n+1)X9 binary arrays with no 2X2 subblock having exactly 2 ones 1

%I

%S 3653,83799,1604473,34228999,701022093,14750484447,307446383061,

%T 6453534773135,135163113130301,2836308059464159,59486265398855701,

%U 1248295058919868871,26191521416003319909,549635175272088975695

%N Half the number of (n+1)X9 binary arrays with no 2X2 subblock having exactly 2 ones

%C Column 8 of A183782

%H R. H. Hardin, <a href="/A183781/b183781.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions with a(1,1)=0 for 3X9

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 07 2011

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Last modified October 26 14:28 EDT 2021. Contains 348267 sequences. (Running on oeis4.)