A251438 - OEIS

%I #4 Dec 02 2014 17:54:56

%S 327033,119053429,41060404870,14434973166138,5038742133151250,

%T 1763553101217607559,616672357656950586311,215713355424620452088470,

%U 75447930019691941204137527,26389942579572584009457614106

%N Number of (n+1)X(4+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 4 of A251442

%H R. H. Hardin, <a href="/A251438/b251438.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2014