A218891 - OEIS

%I #5 Dec 18 2015 18:18:15

%S 2,6,72,1096,54726,4575512,969423130,418239229652,408299236290280,

%T 866521302130938818

%N Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 n X n array

%C Diagonal of A218897

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 08 2012