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Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01
1

%I #4 Dec 01 2014 10:48:56

%S 502,3894,31936,279718,2510004,22806904,208452452,1910905110,

%T 17543333688,161181383956,1481444894708,13618944927408,

%U 125212172603876,1151259684237236,10585524477077008,97332520279830066,894966894170134936

%N Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01

%C Column 6 of A251268

%H R. H. Hardin, <a href="/A251266/b251266.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A251266/a251266.txt">Empirical recurrence of order 62</a>

%F Empirical recurrence of order 62 (see link above)

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 01 2014