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A237874
Number of (n+2)X(1+2) 0..3 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors
0
8688, 545004, 27056160, 1569462504, 74688648384, 4226663427372, 187073313101280, 10432303205684856, 442700713763856576
OFFSET
1,1
COMMENTS
Column 1 of A237875
EXAMPLE
Some solutions for n=2
..0..3..0....0..1..1....0..3..1....0..0..1....0..3..1....0..1..1....0..0..1
..1..1..3....2..3..1....2..1..2....2..2..1....3..0..0....3..2..0....3..1..3
..2..3..3....2..0..0....1..0..1....1..2..1....3..2..1....3..1..3....1..2..0
..3..0..1....1..3..3....2..2..3....3..1..2....1..1..2....1..1..1....2..2..2
CROSSREFS
Sequence in context: A235171 A237875 A237876 * A252646 A170796 A035909
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 14 2014
STATUS
approved