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A183789 Half the number of (n+1)X7 0..2 arrays with no 2X2 subblock having sum 4 1

%I

%S 503676,253372446,124516635830,61615880574766,30424632455651757,

%T 15033760617564577257,7426828822889981226524,

%U 3669246745844998053514738,1812745552132801952938026578,895574493615900816704817147361

%N Half the number of (n+1)X7 0..2 arrays with no 2X2 subblock having sum 4

%C Column 6 of A183792

%H R. H. Hardin, <a href="/A183789/b183789.txt">Table of n, a(n) for n = 1..84</a>

%e Some solutions for 3X7

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 07 2011

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Last modified January 25 05:34 EST 2022. Contains 350565 sequences. (Running on oeis4.)