A206599 Number of (n+1)X7 0..3 arrays with every 2X3 or 3X2 subblock having no more than three equal edges, and new values 0..3 introduced in row major order

9217211, 110294918412, 1352952771405899, 16580357350118698482, 203129458750387512198476

Offset

1,1

Comments

Column 6 of A206600

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for n=4
..0..0..0..1..0..1..0....0..1..1..0..0..2..3....0..0..0..1..0..1..0
..0..1..2..2..0..1..0....3..0..0..2..1..3..2....0..1..2..1..1..0..1
..2..0..1..1..1..2..3....0..1..0..2..0..1..2....1..3..2..3..2..0..2
..2..2..3..1..3..3..0....1..3..0..1..1..3..2....3..0..1..0..1..2..2
..0..3..1..3..0..2..0....2..0..2..2..1..1..0....0..3..2..3..0..1..0

Crossrefs

Sequence in context: A187675 A205615 A251399 * A245746 A206098 A105175

Adjacent sequences: A206596 A206597 A206598 * A206600 A206601 A206602

Keyword

nonn

Author

R. H. Hardin Feb 09 2012

Status

approved