A207280 Number of nX5 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal

788, 620944, 181121542, 65396633910, 23419301672964, 8271975196175318, 2920423120381462040, 1032162139387885787792, 364965794046996302294576

Offset

1,1

Comments

Column 5 of A207283

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A180100 A072722 A180159 * A207476 A207532 A167587

Adjacent sequences: A207277 A207278 A207279 * A207281 A207282 A207283

Keyword

nonn

Author

R. H. Hardin Feb 16 2012

Status

approved