A207053 Number of nX4 0..3 arrays avoiding the pattern z-1 z-1 z in any row or column

232, 53824, 10372376, 1980856064, 377752048996, 72028285835462, 13734678041147631, 2619005062646929790, 499402241884398131528, 95227913846774233866769, 18158405728633112095516244

Offset

1,1

Comments

Column 4 of A207057

Links

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

Example

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

Crossrefs

Sequence in context: A206573 A207578 A209088 * A207130 A125850 A139673

Adjacent sequences: A207050 A207051 A207052 * A207054 A207055 A207056

Keyword

nonn

Author

R. H. Hardin Feb 14 2012

Status

approved