A251441 - OEIS

%I #4 Dec 02 2014 17:57:22

%S 549607078,6076163446285,59895416958296448,616672357656950586311,

%T 6240722966413231119519432,63577339993396485656457199590,

%U 646008743174147370182177022951419,6570708441458867604854496574684740934

%N Number of (n+1)X(7+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements

%C Column 7 of A251442

%H R. H. Hardin, <a href="/A251441/b251441.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2014