A184474 1/6 the number of (n+2)X8 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last

161739, 200215, 249953, 322275, 520289, 904411, 1782585, 4808779, 13539521, 40005219

Offset

1,1

Comments

Column 6 of A184477

Links

Table of n, a(n) for n=1..10.

Example

Some solutions with a(1,1)=0 for 4X8
..0..0..1..0..1..2..1..1....0..0..2..0..1..2..0..1....0..1..2..0..1..1..0..0
..0..1..2..1..0..1..0..1....0..1..0..1..1..1..0..1....0..0..1..0..1..1..0..1
..1..1..0..0..1..0..0..0....1..1..1..0..0..0..1..0....0..1..1..0..0..2..0..1
..0..0..1..0..1..2..1..1....0..0..2..0..1..2..0..1....0..1..2..0..1..1..0..0

Crossrefs

Sequence in context: A343967 A343970 A349774 * A114669 A204306 A120409

Adjacent sequences: A184471 A184472 A184473 * A184475 A184476 A184477

Keyword

nonn

Author

R. H. Hardin Jan 15 2011

Status

approved