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A250911 Number of (n+1)X(6+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element.

%I A250911 #6 Jul 23 2025 12:50:51
%S A250911 2647773,3271547025,4039362762435,4986961280614953,
%T A250911 6156816533805174849,7601083164098734394079,9384142308556191112974969,
%U A250911 11585469902120869957560844677,14303183663125779053133772617453
%N A250911 Number of (n+1)X(6+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element.
%C A250911 Column 6 of A250913
%H A250911 R. H. Hardin, <a href="/A250911/b250911.txt">Table of n, a(n) for n = 1..210</a>
%e A250911 Some solutions for n=1
%e A250911 ..0..0..0..0..1..1..1....1..0..0..0..0..2..1....1..0..0..0..0..0..2
%e A250911 ..1..1..2..2..2..1..1....1..2..2..1..0..1..1....0..0..1..2..0..1..1
%K A250911 nonn
%O A250911 1,1
%A A250911 _R. H. Hardin_, Nov 28 2014