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 A166804 Number of nX3 1..6 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order. 0
 0, 90, 8868, 141180, 1151013, 6470252, 28530284 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..7. EXAMPLE Some solutions for n=3 ...2.3.5...1.1.2...1.2.3...1.3.4...2.4.5...1.2.5...1.3.5...2.3.3...1.1.6 ...4.1.5...3.6.5...1.2.6...1.6.4...3.4.4...3.4.6...1.6.6...3.3.5...2.3.5 ...6.1.5...6.6.4...5.4.4...5.2.2...3.6.1...4.4.6...4.6.2...4.1.6...4.4.4 ------ ...1.2.4...1.3.3...1.1.5...1.3.4...2.2.3...2.3.5...1.2.5...1.1.3...2.6.6 ...2.2.4...2.2.2...3.3.6...2.2.2...2.5.4...2.6.1...3.3.4...4.6.2...4.1.3 ...5.6.3...6.4.5...3.4.2...5.5.6...6.5.1...4.6.1...3.6.6...6.6.5...5.3.3 CROSSREFS Sequence in context: A112004 A216706 A166822 * A116273 A036257 A276352 Adjacent sequences: A166801 A166802 A166803 * A166805 A166806 A166807 KEYWORD nonn AUTHOR R. H. Hardin Oct 21 2009 STATUS approved

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Last modified May 21 17:21 EDT 2024. Contains 372738 sequences. (Running on oeis4.)