A204499 - OEIS

%I #5 Mar 31 2012 12:37:02

%S 797822969,5506995671,29239334379,402163470675,2160920648295,

%T 16952599195335,286595565957180,2485931640506982,24413956669848627,

%U 328815740430183078,2877550907300925813,27288563517875985453

%N Number of (n+2)X8 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically

%C Column 6 of A204501

%H R. H. Hardin, <a href="/A204499/b204499.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 15 2012