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A166764
Number of nX3 1..5 arrays containing at least one of each value, and all equal values connected.
0
0, 840, 47400, 854520, 8876160, 65256840, 378654840, 1851326280
OFFSET
1,2
EXAMPLE
Some solutions for n=3
...2.5.3...2.2.5...2.3.4...2.2.4...1.4.5...2.5.3...3.2.5...4.4.1...4.5.4
...5.5.1...2.4.3...2.2.2...2.1.4...1.4.3...4.4.3...4.2.2...5.4.2...4.4.4
...5.4.1...1.4.3...5.2.1...3.3.5...2.4.4...4.4.1...4.4.1...3.2.2...2.3.1
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...4.4.4...2.5.4...3.3.4...1.3.3...2.4.4...2.2.2...5.4.4...4.2.5...2.1.4
...3.2.1...2.2.4...3.5.4...3.3.5...3.4.1...3.5.5...5.4.4...4.3.1...5.5.4
...5.2.2...3.2.1...2.5.1...2.3.4...5.5.1...1.4.4...1.3.2...1.1.1...5.3.3
CROSSREFS
Sequence in context: A171260 A166758 A188781 * A226268 A218410 A022052
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 21 2009
STATUS
approved