A253867 - OEIS

%I #4 Jan 17 2015 09:42:57

%S 119040,2546432,52394496,1052857184,21171373312,423305690976,

%T 8407169495552,166630395772512,3301057791676672,65387705913442656,

%U 1294642862341354496,25621884832358509664,506889000775910831872

%N Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 4 of A253871

%H R. H. Hardin, <a href="/A253867/b253867.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A253867/a253867.txt">Empirical recurrence of order 80</a>

%F Empirical recurrence of order 80 (see link above)

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 17 2015