A217641 - OEIS

%I #4 Oct 09 2012 07:08:16

%S 17,91,877,8363,80653,779051,7531727,72877045,704989101,6820892171,

%T 65993636901,638497154509,6177606843163,59769632055785,

%U 578284005053917,5595022879846267,54133051863934891,523748973561990577

%N Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..2 nX4 array

%C Column 4 of A217645

%H R. H. Hardin, <a href="/A217641/b217641.txt">Table of n, a(n) for n = 1..24</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 09 2012