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A209365
T(n,k) = Number of n X k 1..3 arrays with every element value z a city block distance of exactly z from another element value z.
6
0, 1, 1, 1, 2, 1, 3, 16, 16, 3, 2, 122, 409, 122, 2, 8, 690, 10796, 10796, 690, 8, 10, 4098, 207438, 804545, 207438, 4098, 10, 21, 24301, 3706083, 42033202, 42033202, 3706083, 24301, 21, 35, 131984, 63071815, 2043431891, 5995346079, 2043431891, 63071815
OFFSET
1,5
COMMENTS
Table starts
..0......1..........1...........3............2............8..........10
..1......2.........16.........122..........690.........4098.......24301
..1.....16........409.......10796.......207438......3706083....63071815
..3....122......10796......804545.....42033202...2043431891.95757163046
..2....690.....207438....42033202...5995346079.786021209045
..8...4098....3706083..2043431891.786021209045
.10..24301...63071815.95757163046
.21.131984.1032759720
LINKS
EXAMPLE
Some solutions for n=5, k=2
..2..3....1..3....2..3....3..3....1..2....1..3....2..2....2..3....3..2....3..3
..2..2....1..2....3..2....2..2....1..1....1..3....1..1....2..2....3..3....3..3
..3..2....2..2....3..2....3..2....3..2....3..3....2..2....3..2....2..2....3..3
..1..1....2..3....2..2....3..2....1..1....1..1....1..1....2..1....3..3....1..3
..1..2....2..2....3..2....2..2....1..3....3..3....1..2....1..1....2..2....1..3
CROSSREFS
Sequence in context: A362272 A095852 A283748 * A209394 A209023 A209058
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 06 2012
STATUS
approved