A206760 Number of (n+1)X8 0..2 arrays with every 2X3 or 3X2 subblock having no more than three equal edges, and new values 0..2 introduced in row major order

3764188, 9771502433, 27669705981731, 77761210840373532, 218272782111457761883, 612965374305549492727567

Offset

1,1

Comments

Column 7 of A206761

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A233753 A333744 A127879 * A186615 A175890 A083601

Adjacent sequences: A206757 A206758 A206759 * A206761 A206762 A206763

Keyword

nonn

Author

R. H. Hardin Feb 12 2012

Status

approved