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Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element
1

%I #4 Nov 28 2014 18:11:08

%S 11693,628146,34521887,1887760064,102912852059,5613563039740,

%T 306543548743117,16748448512897363,915164303259406892,

%U 50004735900048261227,2732197085743121738233,149282831158760473142819

%N Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element

%C Column 4 of A250927

%H R. H. Hardin, <a href="/A250923/b250923.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A250923/a250923.txt">Empirical recurrence of order 81</a>

%F Empirical recurrence of order 81 (see link above)

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 28 2014