A184454 1/36 the number of (n+2)X8 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last

51759, 58413, 67180, 80058, 116832, 196974, 413100, 1288638

Offset

1,1

Comments

Column 6 of A184457

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A203354 A289823 A147530 * A003134 A253989 A253996

Adjacent sequences: A184451 A184452 A184453 * A184455 A184456 A184457

Keyword

nonn

Author

R. H. Hardin Jan 14 2011

Status

approved