A231437 Number of (n+2)X(4+2) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..3 introduced in row major order

6, 17, 54, 182, 820, 3071, 13458, 59480, 266481, 1252868, 5822115, 27737178, 132560995, 635816704, 3070132496, 14824494889, 71797359606, 348050195323, 1688282296810, 8196752528576, 39802681383250, 193353414423825

Offset

1,1

Comments

Column 4 of A231441

Links

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

Example

Some solutions for n=5
..0..0..0..0..0..0....0..0..1..1..1..1....0..0..0..0..0..0....0..0..0..0..0..0
..0..0..0..0..0..0....0..0..1..1..1..1....0..0..0..0..0..0....0..0..1..1..0..0
..1..1..1..1..1..1....0..0..0..1..1..1....0..0..0..0..0..0....1..1..1..1..1..1
..1..1..1..1..1..1....0..0..0..2..2..2....1..1..1..1..1..1....1..1..1..1..1..1
..2..2..1..1..3..3....0..0..2..2..2..2....1..1..1..1..1..1....1..1..1..2..2..2
..2..2..2..3..3..3....2..2..2..2..2..2....2..2..1..1..2..2....2..2..2..2..2..2
..2..2..2..3..3..3....2..2..2..2..2..2....2..2..2..2..2..2....2..2..2..2..2..2

Crossrefs

Sequence in context: A241352 A239796 A231223 * A323358 A088016 A010330

Adjacent sequences: A231434 A231435 A231436 * A231438 A231439 A231440

Keyword

nonn

Author

R. H. Hardin, Nov 09 2013

Status

approved