A200806 Number of nX5 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one

52, 21028, 1258392, 133370844, 16571687222, 1822875311878, 206279107863030, 23670062611992688, 2692960454212533604, 306758271216764263660, 34985557565661268777168, 3987595250836956206029738

Offset

1,1

Comments

Column 5 of A200809

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

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

Crossrefs

Sequence in context: A208100 A232521 A346934 * A208305 A098148 A068255

Adjacent sequences: A200803 A200804 A200805 * A200807 A200808 A200809

Keyword

nonn

Author

R. H. Hardin Nov 22 2011

Status

approved