A207287 Number of nX5 0..3 arrays avoiding the pattern z-2 z-1 z in any row or column

936, 876096, 702401282, 572065794890, 464024582705468, 376758439920954387, 305856308413400619700, 248307521270762694669197, 201585402410598519519277780, 163654894955858092627891819666

Offset

1,1

Comments

Column 5 of A207290

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..0..3..0..1....2..0..3..0..2....2..2..0..1..3....2..1..1..0..3
..1..2..0..2..2....0..3..1..1..2....3..2..0..1..3....3..0..1..0..0
..1..0..3..2..2....0..2..0..1..0....1..1..1..0..2....3..2..3..1..1
..0..2..3..3..0....3..2..2..1..2....1..3..3..1..2....2..0..1..0..0

Crossrefs

Sequence in context: A206843 A206835 A206897 * A176376 A031902 A204072

Adjacent sequences: A207284 A207285 A207286 * A207288 A207289 A207290

Keyword

nonn

Author

R. H. Hardin Feb 16 2012

Status

approved