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A251799 Number of (n+1)X(6+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01 1

%I #4 Dec 09 2014 07:37:35

%S 905440,195753488,43510308650,10280556043804,2466029519190492,

%T 596244004665414586,144607697103715449366,35128978291327271678332,

%U 8539742853066868800341654,2076797685218066186814306236

%N Number of (n+1)X(6+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01

%C Column 6 of A251801

%H R. H. Hardin, <a href="/A251799/b251799.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..0..0..0..2..1..3....0..0..2..2..3..3..3....0..2..3..3..2..3..3

%e ..0..2..2..2..1..3..2....0..2..1..1..0..3..3....0..0..0..0..1..1..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 09 2014

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)