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A231223
Number of (n+2)X(4+2) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order
1
6, 17, 54, 182, 812, 2962, 12179, 50196, 205057, 864270, 3593492, 15094003, 63545858, 267204717, 1127304903, 4753575829, 20059305680, 84691952803, 357558971694, 1510077601850, 6377796652031, 26938452104661, 113791455759187
OFFSET
1,1
COMMENTS
Column 4 of A231227
FORMULA
Empirical recurrence of order 96 (see link above)
EXAMPLE
Some solutions for n=5
..0..0..0..0..1..1....0..0..0..0..0..0....0..0..1..1..1..1....0..0..0..1..1..1
..0..0..0..0..1..1....0..0..1..1..0..0....0..0..1..1..1..1....0..0..0..1..1..1
..0..0..0..1..1..1....1..1..1..1..1..1....0..0..0..1..1..1....0..0..0..0..1..1
..0..0..1..1..2..2....1..1..1..1..1..1....2..2..0..0..0..0....0..0..0..0..1..1
..1..1..1..2..2..2....2..2..1..1..1..1....2..2..2..0..0..0....0..0..1..1..0..0
..1..1..2..2..2..2....2..2..2..2..2..2....2..2..2..0..0..0....1..1..1..1..0..0
..1..1..2..2..2..2....2..2..2..2..2..2....2..2..2..0..0..0....1..1..1..1..0..0
CROSSREFS
Sequence in context: A297297 A241352 A239796 * A231437 A323358 A088016
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 05 2013
STATUS
approved