A206212 Number of (n+1) X 6 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order.

2268, 2996, 5632, 21984, 86152, 359424, 1435584, 5673232, 23721984, 94748544, 374433312, 1565650944, 6253403904, 24712598592, 103332962304, 412724657664, 1631031507072, 6819975512064, 27239827405824, 107648079466752

Offset

1,1

Comments

Column 5 of A206215.

Links

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

Formula

Empirical: a(n) = 66*a(n-3) for n > 810.

Example

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

Crossrefs

Cf. A206215.

Sequence in context: A263963 A272376 A288883 * A154673 A130179 A205756

Adjacent sequences: A206209 A206210 A206211 * A206213 A206214 A206215

Keyword

nonn

Author

R. H. Hardin, Feb 04 2012

Status

approved