A200805 Number of nX4 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one

22, 2758, 70534, 2869182, 133370844, 5614238516, 241586613760, 10524797358824, 455021753553562, 19693451626359788, 853300295005812580, 36950256615064126862, 1600124538905865989900, 69300200628847585281720

Offset

1,1

Comments

Column 4 of A200809

Links

R. H. Hardin, Table of n, a(n) for n = 1..189

Example

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

Crossrefs

Sequence in context: A078278 A231053 A078275 * A128854 A114942 A155885

Adjacent sequences: A200802 A200803 A200804 * A200806 A200807 A200808

Keyword

nonn

Author

R. H. Hardin Nov 22 2011

Status

approved