A207232 Number of nX5 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal

161, 25921, 1089017, 77937497, 5437970705, 350097798369, 22315875854161, 1438362000618041, 93447573196175553, 6077295728729067241, 394563679167565622529, 25591348028483715850553, 1659889583215011705715697

Offset

1,1

Comments

Column 5 of A207235

Links

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

Example

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

Crossrefs

Sequence in context: A278890 A135699 A092312 * A207225 A207012 A203334

Adjacent sequences: A207229 A207230 A207231 * A207233 A207234 A207235

Keyword

nonn

Author

R. H. Hardin Feb 16 2012

Status

approved