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A209176
Number of nX4 0..3 arrays with every element value z a city block distance of exactly z from another element value z
0
12, 1243, 236727, 43361446, 6170585599, 815113744488, 103803050876877, 13009082234406309, 1639685959850389986, 207628870678244320910
OFFSET
1,1
COMMENTS
Column 4 of A209178
EXAMPLE
Some solutions for n=4
..0..3..0....0..2..3....0..0..0....0..3..3....0..0..2....2..0..2....2..2..2
..2..0..2....2..2..0....2..3..1....1..1..3....0..1..1....0..2..2....0..2..3
..1..1..0....2..1..2....2..2..1....3..1..0....2..1..2....2..2..0....3..2..3
..0..3..2....2..1..3....0..2..3....0..0..3....2..2..2....1..1..1....3..2..3
CROSSREFS
Sequence in context: A009155 A078296 A239164 * A351630 A137343 A133461
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 05 2012
STATUS
approved