A206617 Number of (n+1)X5 0..2 arrays with every 2X3 or 3X2 subblock having no more than two equal edges, and new values 0..2 introduced in row major order

4035, 270869, 21744156, 1719525751, 135010973857, 10633148505553, 837071761231340, 65890955765683798, 5187056339251009089, 408327809631129343522, 32143691853804370071056, 2530367382763227289642909

Offset

1,1

Comments

Column 4 of A206621

Links

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

Example

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

Crossrefs

Sequence in context: A212601 A060896 A371757 * A252686 A178274 A332458

Adjacent sequences: A206614 A206615 A206616 * A206618 A206619 A206620

Keyword

nonn

Author

R. H. Hardin Feb 10 2012

Status

approved