|
%I #5 Mar 31 2012 12:36:58
%S 1,184,28744,2507842,215340781,19914461784,1851737877261,
%T 171641650035869,15972690861916255,1489804485985854268,
%U 138968483224782780446,12962379165673569726535,1209238281175660332945106
%N Number of nX5 0..3 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors
%C Column 5 of A203846
%H R. H. Hardin, <a href="/A203843/b203843.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..3..3..3..0....0..2..3..3..3....3..3..0..0..0....1..1..2..3..3
%e ..2..3..0..3..0....1..3..3..3..3....3..3..1..0..0....1..2..3..3..3
%e ..3..3..2..3..2....2..3..0..0..3....0..1..3..3..0....3..3..3..0..2
%e ..3..3..3..3..2....2..3..3..3..3....0..0..3..3..0....3..3..2..2..2
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 06 2012
| 