A184501 1/12 the number of (n+2)X5 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last

6132, 17077, 50590, 161097, 579771, 2185733, 8600335, 36366658, 156863626, 689415818, 3168631633, 14630695130, 67976252871, 325283270950, 1553794150160, 7427099657330, 36244496322073, 176177225797658, 855011742964725

Offset

1,1

Comments

Column 3 of A184505

Links

R. H. Hardin, Table of n, a(n) for n = 1..136

Example

Some solutions with a(1,1)=0 for 4X5
..0..0..1..0..0....0..0..2..2..0....0..0..0..1..1....0..0..0..0..0
..1..2..0..0..0....0..0..2..2..0....0..1..1..1..2....2..0..2..2..1
..0..0..1..1..2....1..2..0..1..2....1..2..0..1..0....2..1..0..2..0
..1..0..0..1..0....0..2..0..2..2....1..0..1..0..1....0..2..2..0..2

Crossrefs

Sequence in context: A204368 A114131 A144491 * A205833 A152388 A251787

Adjacent sequences: A184498 A184499 A184500 * A184502 A184503 A184504

Keyword

nonn

Author

R. H. Hardin Jan 16 2011

Status

approved