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A206387
Number of nX6 0..6 arrays with no element equal to another within a city block distance of two, and new values 0..6 introduced in row major order
0
15, 4801, 868994, 164270604, 30809397399
OFFSET
1,1
COMMENTS
Column 6 of A206389
EXAMPLE
Some solutions for n=4
..0..1..2..0..3..1....0..1..2..0..1..2....0..1..2..3..4..1....0..1..2..3..0..1
..4..3..5..6..2..0....2..3..4..5..6..3....2..3..4..0..5..6....2..3..0..1..2..3
..2..6..4..1..5..3....6..5..0..3..2..4....5..6..1..2..3..0....1..4..5..6..4..5
..3..5..0..2..4..6....3..1..6..4..5..6....3..0..5..6..1..2....3..6..1..0..3..6
CROSSREFS
Sequence in context: A229931 A191642 A348816 * A198903 A249966 A167823
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 07 2012
STATUS
approved