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Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements
1

%I #6 Dec 01 2014 12:45:37

%S 5657125,6895174650,8124335802103,9606281958966442,

%T 11361245256068263101,13434537978036585857431,

%U 15886176013807764828256390,18785635148748205309781691487,22214352650941113874305586694336

%N Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements

%C Column 7 of A251019

%H R. H. Hardin, <a href="/A251018/b251018.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 29 2014