A184503 1/12 the number of (n+2)X7 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last

149112, 281876, 579771, 1315452, 3530858, 10185105

Offset

1,1

Comments

Column 5 of A184505

Links

Table of n, a(n) for n=1..6.

Example

Some solutions with a(1,1)=0 for 4X7
..0..0..0..0..0..0..0....0..0..0..0..0..1..0....0..0..0..0..0..2..0
..1..2..2..0..2..2..0....1..1..0..1..0..1..0....2..1..1..0..0..0..0
..0..2..0..1..2..0..1....1..0..2..1..1..2..0....0..0..1..2..1..2..2
..2..0..2..2..0..2..2....0..1..1..0..1..0..0....0..0..0..0..0..2..0

Crossrefs

Sequence in context: A029566 A210094 A236900 * A257423 A257430 A254239

Adjacent sequences: A184500 A184501 A184502 * A184504 A184505 A184506

Keyword

nonn

Author

R. H. Hardin Jan 16 2011

Status

approved