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%I #8 Apr 27 2021 21:04:27
%S 491,23507,680991,17910863,476435051,12425155219,329002027139,
%T 8615734849077,227806404072631,5980357404174043,157931611506915929,
%U 4151816922039440341,109543979251248493339,2882145648661246996031
%N Number of n X 7 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1) X 8 0..2 array without adjacent equal elements in the latter.
%C Column 7 of A229521.
%H R. H. Hardin, <a href="/A229520/b229520.txt">Table of n, a(n) for n = 1..23</a>
%e Some solutions for n=3:
%e 0 1 1 1 0 1 1 0 1 0 1 0 1 1 0 1 0 1 1 1 1
%e 1 0 1 0 1 0 1 1 0 2 0 2 0 1 1 0 1 2 1 1 1
%e 0 2 0 1 0 1 0 0 1 0 1 0 1 1 1 1 2 0 2 1 0
%Y Cf. A229521.
%K nonn
%O 1,1
%A _R. H. Hardin_, Sep 25 2013
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