A200575 Number of nX4 0..2 arrays with no average of any element and its horizontal and vertical neighbors equal to one

22, 922, 28890, 938128, 30603332, 997303772, 32523513414, 1060675282092, 34590199046646, 1128052999950878, 36788018142626902, 1199728544485667908, 39125481049547004512, 1275958061644704120210, 41611474500836339304542

Offset

1,1

Comments

Column 4 of A200579

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..0..2..1..0....2..2..0..0....0..0..2..2....2..1..2..1....1..2..0..2
..2..2..0..1....2..1..0..0....1..1..1..2....1..2..2..1....2..2..2..2
..1..2..2..1....2..1..2..0....1..0..1..1....0..1..2..1....2..2..1..2

Crossrefs

Sequence in context: A095696 A345456 A322930 * A102995 A211887 A041927

Adjacent sequences: A200572 A200573 A200574 * A200576 A200577 A200578

Keyword

nonn

Author

R. H. Hardin Nov 19 2011

Status

approved