A220176 Sum of neighbor maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal, vertical and antidiagonal neighbors in a random 0..2 nX5 array

24, 856, 31744, 1048576, 32395806, 1073741824, 34351349760

Offset

1,1

Comments

Column 5 of A220177

Links

Table of n, a(n) for n=1..7.

Example

Some solutions for n=3
..1..0..0..0..0....1..0..0..0..1....0..1..0..0..1....0..1..1..1..0
..0..0..0..0..1....1..1..0..0..1....0..0..1..0..1....0..0..1..1..0
..0..1..1..1..1....0..0..1..1..0....0..1..0..0..1....0..1..1..0..0

Crossrefs

Sequence in context: A005149 A027411 A184281 * A275563 A275088 A291111

Adjacent sequences: A220173 A220174 A220175 * A220177 A220178 A220179

Keyword

nonn

Author

R. H. Hardin Dec 06 2012

Status

approved