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A166784 Number of nX3 1..5 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order. 0
0, 420, 10540, 93645, 523316, 2216887, 7776832, 23747742 (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

...1.3.2...1.1.5...3.2.2...3.2.1...1.2.3...5.2.1...1.1.1...1.1.2...2.2.2

...5.2.2...2.4.5...4.2.1...3.5.1...2.2.2...5.2.3...4.2.1...4.2.2...4.3.3

...5.4.2...4.4.3...5.5.1...4.5.5...4.5.2...5.4.3...5.3.1...5.3.3...5.1.1

------

...3.2.1...1.3.4...4.1.2...3.2.1...3.2.1...1.5.4...4.2.2...2.2.5...1.1.3

...4.5.1...3.3.3...5.3.5...4.1.1...3.4.1...2.5.3...4.3.1...2.4.3...1.4.4

...5.5.5...5.3.2...5.5.5...4.5.5...5.5.1...5.5.3...4.3.5...4.4.1...5.4.2

CROSSREFS

Sequence in context: A269016 A317983 A179718 * A223365 A288071 A289226

Adjacent sequences:  A166781 A166782 A166783 * A166785 A166786 A166787

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 21 2009

STATUS

approved

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Last modified January 18 06:49 EST 2022. Contains 350452 sequences. (Running on oeis4.)