login
A232140
Number of (3+1)X(n+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order
1
328, 14752, 602468, 25364480, 1063744484, 44671124016, 1875654465544, 78758608380688, 3307040482438920, 138861420876088764, 5830738287776487908, 244830499590623017720, 10280340127332484865416, 431667596881321790496532
OFFSET
1,1
COMMENTS
Row 3 of A232137
FORMULA
Empirical recurrence of order 76 (see link above)
EXAMPLE
Some solutions for n=2
..0..1..2....0..1..2....0..1..0....0..1..0....0..1..1....0..1..1....0..1..1
..1..0..0....1..0..0....0..1..2....2..2..2....0..0..2....2..2..0....2..0..0
..1..2..0....1..2..1....1..0..1....1..1..1....1..1..2....1..2..0....0..2..1
..1..2..1....1..0..1....1..2..0....0..2..1....0..0..1....1..0..2....0..1..2
CROSSREFS
Sequence in context: A183848 A205251 A138078 * A231130 A289340 A252004
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2013
STATUS
approved