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%I #6 Apr 17 2022 21:01:41
%S 1051870,172901292,37974926408,8663276276434,1912144574026028,
%T 440533679097542155,98462225092730752800,22746082818241945125251,
%U 5097086484432292252558188,1177131995758338767197585571
%N Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically.
%C Column 6 of A253731.
%H R. H. Hardin, <a href="/A253730/b253730.txt">Table of n, a(n) for n = 1..20</a>
%e Some solutions for n=1
%e ..0..0..0..1..0..1..2....0..1..0..0..2..0..2....0..0..0..0..2..1..1
%e ..0..0..1..0..2..0..2....2..2..1..2..0..2..2....1..1..0..1..1..2..1
%Y Cf. A253731.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 10 2015