A231269 Number of (7+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order

5462, 129329, 2848550, 72212345, 1911322499, 53369789699, 1496478177166, 42743970963033, 1224046292071020, 35220701171406897, 1014732292225672289, 29277261630263523080, 845121666173764151769, 24406166622526862441263

Offset

1,1

Comments

Row 7 of A231263

Links

R. H. Hardin, Table of n, a(n) for n = 1..20

Example

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

Crossrefs

Sequence in context: A258128 A022205 A255193 * A232037 A202776 A324215

Adjacent sequences: A231266 A231267 A231268 * A231270 A231271 A231272

Keyword

nonn

Author

R. H. Hardin, Nov 06 2013

Status

approved