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Number of (n+1) X (7+1) 0..2 arrays with no 2 X 2 subblock having its minimum diagonal element less than its minimum antidiagonal element.
1

%I #6 Jun 26 2022 04:27:50

%S 2317569,1209466635,607786907671,306543548743117,155249795843668280,

%T 78620440534531081201,39794970725248251340754,

%U 20144871101806243987470617,10199856384253170960330315815,5164778639210295441311397557181

%N Number of (n+1) X (7+1) 0..2 arrays with no 2 X 2 subblock having its minimum diagonal element less than its minimum antidiagonal element.

%C Column 7 of A250927.

%H R. H. Hardin, <a href="/A250926/b250926.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..0..2..1..2..0..1..0....0..1..0..1..0..1..0..0....0..1..1..0..2..1..2..0

%e ..0..0..0..0..0..0..0..2....0..0..0..0..0..0..2..2....0..0..0..0..0..0..0..0

%Y Cf. A250927.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 28 2014