A231844 Number of 6Xn 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors

4096, 308419, 71178861, 16599585680, 4666623161419, 1254045703514371, 324616806882571299, 83158851829397766140, 21409982169925750504218, 5539074508470500185663673, 1434890431246071056584008605

Offset

1,1

Comments

Row 6 of A231839

Links

R. H. Hardin, Table of n, a(n) for n = 1..79

Example

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

Crossrefs

Sequence in context: A017620 A066390 A016806 * A232961 A223966 A195660

Adjacent sequences: A231841 A231842 A231843 * A231845 A231846 A231847

Keyword

nonn

Author

R. H. Hardin, Nov 14 2013

Status

approved