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A231359
Number of (n+1)X(4+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..3 introduced in row major order.
1
12, 51, 314, 2190, 15384, 115303, 875548, 6891052, 54253511, 432215971, 3445310224, 27566966801, 220614054438, 1767742328920, 14166081370537, 113567892608159, 910506818972784, 7300775013322754, 58541566212500348
OFFSET
1,1
COMMENTS
Column 4 of A231363
FORMULA
Empirical recurrence of order 79 (see link above)
EXAMPLE
Some solutions for n=4
..0..0..0..0..0....0..0..0..0..1....0..0..0..0..0....0..0..0..1..1
..0..0..0..0..0....0..0..0..1..1....1..1..0..0..0....0..0..1..1..1
..1..1..0..0..0....0..0..0..1..1....1..1..0..2..2....0..0..1..2..2
..1..1..0..0..2....1..1..0..0..0....1..0..2..2..3....0..1..2..2..2
..1..1..0..2..2....1..1..0..0..0....0..0..2..3..3....1..1..2..2..2
CROSSREFS
Sequence in context: A115680 A382143 A231298 * A066757 A225306 A331041
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 08 2013
STATUS
approved