A200574 Number of nX3 0..2 arrays with no average of any element and its horizontal and vertical neighbors equal to one

10, 174, 2174, 28890, 388824, 5236786, 70594592, 951777602, 12832277870, 173011315794, 2332637651278, 31449955203276, 424026281913518, 5716965606842562, 77079410192481546, 1039228825310882064

Offset

1,1

Comments

Column 3 of A200579

Links

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

Example

Some solutions for n=4
..1..2..2....1..0..1....0..2..2....2..2..1....0..0..2....0..2..1....1..0..1
..1..2..2....1..0..0....2..1..1....1..1..2....2..1..2....2..2..1....0..1..1
..2..2..1....0..1..1....2..2..2....2..1..2....0..1..0....2..2..2....1..2..2
..1..2..2....0..1..0....2..2..2....2..0..0....0..0..0....2..2..2....2..1..1

Crossrefs

Sequence in context: A112703 A132676 A270958 * A078516 A304445 A268936

Adjacent sequences: A200571 A200572 A200573 * A200575 A200576 A200577

Keyword

nonn

Author

R. H. Hardin Nov 19 2011

Status

approved