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A229313
Number of n X n 0..3 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(n+1) 0..3 array without adjacent equal elements in the latter
5
4, 154, 34022, 33330044, 151503568022, 3239971166331308
OFFSET
1,1
COMMENTS
Diagonal of A229320
EXAMPLE
Some solutions for n=3
..2..1..3....3..1..1....2..1..2....2..2..2....0..1..2....1..2..3....1..0..2
..0..2..1....2..0..2....1..2..1....1..1..0....1..2..0....2..3..0....2..2..2
..2..0..1....0..2..0....2..0..1....3..0..1....3..2..3....1..0..2....3..2..0
CROSSREFS
Sequence in context: A244448 A197204 A197802 * A300530 A303898 A370230
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 19 2013
STATUS
approved