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%I #4 Nov 25 2016 07:40:50
%S 77,235446,159247403,71471902148,25885621037640,8050796188459694,
%T 2208684003726307854,542480212289851122353,120541770267352306944197,
%U 24447675261852941312290800,4562394192215182263825547747
%N Number of nX6 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.
%C Column 6 of A278656.
%H R. H. Hardin, <a href="/A278654/b278654.txt">Table of n, a(n) for n = 1..47</a>
%e Some solutions for n=1
%e ..0..1..2..1..0..2. .0..2..0..2..0..2. .1..2..0..2..0..1. .0..2..1..2..0..2
%Y Cf. A278656.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 25 2016
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