A224657 Number of (n+2)X6 0..2 matrices with each 3X3 subblock having the same population

804357, 1221507, 1937061, 3374595, 8416035, 23449635, 74664963, 309137607, 1332279387

Offset

1,1

Comments

Column 4 of A224658

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A231090 A237298 A069338 * A214148 A272692 A186585

Adjacent sequences: A224654 A224655 A224656 * A224658 A224659 A224660

Keyword

nonn

Author

R. H. Hardin Apr 13 2013

Status

approved