A231845 Number of 7Xn 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors

16384, 2771101, 1792092360, 1140658285204, 899426070636904, 667414220139740867, 474822731471136470440, 334792455203826918639864, 237921869830701207980327586, 170048147255195659833743734040

Offset

1,1

Comments

Row 7 of A231839

Links

R. H. Hardin, Table of n, a(n) for n = 1..19

Example

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

Crossrefs

Sequence in context: A218528 A016783 A016807 * A223967 A016903 A017692

Adjacent sequences: A231842 A231843 A231844 * A231846 A231847 A231848

Keyword

nonn

Author

R. H. Hardin, Nov 14 2013

Status

approved