A206634 Number of (n+1)X8 0..2 arrays with every 2X3 or 3X2 subblock having no more than four equal edges, and new values 0..2 introduced in row major order

7014246, 44098506880, 277854703424333, 1750509332449744133, 11028339625449228398660, 69479426940659354584343140, 437725944874306422735306779417, 2757708457712094967781824783252256

Offset

1,1

Comments

Column 7 of A206635

Links

R. H. Hardin, Table of n, a(n) for n = 1..79

Example

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

Crossrefs

Sequence in context: A186793 A157797 A106786 * A253313 A253661 A088286

Adjacent sequences: A206631 A206632 A206633 * A206635 A206636 A206637

Keyword

nonn

Author

R. H. Hardin Feb 10 2012

Status

approved