A232388 Number of (n+1)X(5+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal

670, 3246, 24848, 178352, 1535188, 12826278, 109430578, 941229272, 8087908076, 69852696952, 603195023334, 5213283551570, 45072706872074, 389839080362738, 3371923595794610, 29171583579723882, 252394882120497698

Offset

1,1

Comments

Column 5 of A232391

Links

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

Example

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

Crossrefs

Sequence in context: A224558 A250670 A235101 * A172963 A351668 A218795

Adjacent sequences: A232385 A232386 A232387 * A232389 A232390 A232391

Keyword

nonn

Author

R. H. Hardin, Nov 23 2013

Status

approved