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A166771 Number of nX6 1..2 arrays containing at least one of each value, and all equal values connected. 0
10, 132, 1618, 18584, 206392, 2247486 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=3

...1.1.1.1.1.2...2.2.2.2.2.1...2.2.2.2.2.2...2.2.2.2.1.1...2.2.2.2.2.2

...1.1.2.1.1.2...2.2.2.1.2.1...2.1.1.2.2.2...1.1.1.2.2.1...2.1.1.2.1.2

...2.2.2.2.2.2...2.2.2.1.1.1...1.1.1.1.1.1...1.1.1.1.1.1...2.2.1.1.1.2

------

...2.2.2.2.1.1...1.1.1.1.1.1...2.2.1.1.2.2...2.2.1.1.1.2...1.1.1.1.1.1

...2.2.2.2.1.1...1.1.1.1.1.1...2.2.2.2.2.2...2.1.1.1.1.2...1.1.1.2.2.2

...2.2.1.1.1.1...1.2.2.2.1.1...2.2.2.2.2.2...2.2.2.2.2.2...1.1.1.1.1.1

CROSSREFS

Sequence in context: A284196 A286723 A239814 * A264279 A296637 A223407

Adjacent sequences:  A166768 A166769 A166770 * A166772 A166773 A166774

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 21 2009

STATUS

approved

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Last modified October 22 09:56 EDT 2019. Contains 328315 sequences. (Running on oeis4.)