A251282 - OEIS

%I #4 Dec 01 2014 11:14:14

%S 1861511440,54091113672192,1571357864513534615,

%T 45639971417777166667264,1325586647325359897634213120,

%U 38500708396868195909229905732096,1118224116880857883546078105623321344

%N Number of (n+1)X(7+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element

%C Column 7 of A251283

%H R. H. Hardin, <a href="/A251282/b251282.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 01 2014