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A183601 1/6 the number of (n+1)X8 0..2 arrays with every 2X2 subblock containing all three values.

%I A183601 #7 Jul 22 2025 09:08:06
%S A183601 47040,4187499,325834456,26108240340,2083981368760,166653005250320,
%T A183601 13330538464876654,1066653925785997106,85362766209466105480,
%U A183601 6832162755933155019668,546857478389624808674648
%N A183601 1/6 the number of (n+1)X8 0..2 arrays with every 2X2 subblock containing all three values.
%C A183601 Column 7 of A183603
%H A183601 R. H. Hardin, <a href="/A183601/b183601.txt">Table of n, a(n) for n = 1..118</a>
%e A183601 Some solutions with a(1,1)=0 for 3X8
%e A183601 ..0..0..0..1..0..1..0..2....0..0..0..1..0..2..1..0....0..0..0..0..0..1..2..1
%e A183601 ..2..1..2..1..2..1..2..1....2..1..2..2..1..0..1..2....2..1..2..1..2..0..2..0
%e A183601 ..1..0..0..0..2..0..1..0....1..0..0..1..0..2..0..2....0..1..0..0..0..1..1..0
%K A183601 nonn
%O A183601 1,1
%A A183601 _R. H. Hardin_ Jan 05 2011