A200807 Number of nX6 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one.

114, 152410, 20829336, 5614238516, 1822875311878

Offset

1,1

Comments

Column 6 of A200809

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for 3X3
..0..0..0..2..0..1....0..0..0..2..0..2....0..0..0..1..0..2....0..0..0..1..0..2
..0..0..1..2..0..0....0..0..1..0..0..0....0..0..1..0..0..1....0..0..1..1..0..1
..0..1..2..2..2..1....0..1..0..0..2..0....0..0..1..0..2..2....0..0..2..0..1..0

Crossrefs

Sequence in context: A362797 A200577 A230463 * A084877 A060309 A101111

Adjacent sequences: A200804 A200805 A200806 * A200808 A200809 A200810

Keyword

nonn

Author

R. H. Hardin, Nov 22 2011

Status

approved