A230174 Number of nX6 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value 2-x(i,j)

33, 73417, 33908253, 17072965263, 8666440899433, 4381081731832923, 2222884630214739547, 1127411488744987043611, 571557326062169407226463, 289782351408303721961315329, 146927686537779809297483679829

Offset

1,1

Comments

Column 6 of A230176

Links

R. H. Hardin, Table of n, a(n) for n = 1..137

Example

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

Crossrefs

Sequence in context: A306723 A238611 A006274 * A060767 A220350 A300614

Adjacent sequences: A230171 A230172 A230173 * A230175 A230176 A230177

Keyword

nonn

Author

R. H. Hardin, Oct 11 2013

Status

approved