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A183780 Half the number of (n+1)X8 binary arrays with no 2X2 subblock having exactly 2 ones 1

%I

%S 1425,24001,344483,5431499,82573675,1284649009,19815396763,

%T 307446383061,4760294305144,73819487702999,1144141214145647,

%U 17740853191335851,275047069987337151,4264758060628986689,66124561853525742255

%N Half the number of (n+1)X8 binary arrays with no 2X2 subblock having exactly 2 ones

%C Column 7 of A183782

%H R. H. Hardin, <a href="/A183780/b183780.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions with a(1,1)=0 for 3X8

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 07 2011

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Last modified September 23 11:24 EDT 2021. Contains 347612 sequences. (Running on oeis4.)