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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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..8. 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 ------ ...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 Adjacent sequences: A166761 A166762 A166763 * A166765 A166766 A166767 KEYWORD nonn AUTHOR R. H. Hardin Oct 21 2009 STATUS approved

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Last modified November 29 09:50 EST 2023. Contains 367429 sequences. (Running on oeis4.)