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A166789 Number of nX5 1..2 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order. 0
8, 49, 262, 1093, 3640, 10293, 25810, 59001, 125216 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=4

...2.1.1.1.1...1.1.1.1.1...1.1.1.1.1...1.1.1.1.1...2.1.1.1.1...1.1.1.1.1

...2.1.2.1.1...1.1.1.1.2...1.1.1.1.1...1.1.1.1.1...2.1.1.2.1...1.2.1.1.1

...2.2.2.1.1...1.1.1.2.2...2.2.2.2.2...1.1.2.2.1...2.1.1.2.2...1.2.1.2.2

...2.2.2.1.1...2.2.2.2.2...2.2.2.2.2...1.2.2.2.2...2.2.2.2.2...1.2.2.2.2

------

...1.1.1.1.1...1.1.1.1.2...2.1.1.1.1...1.1.1.1.1...1.1.1.1.1...1.1.1.1.1

...1.1.1.1.2...1.1.1.2.2...2.1.2.2.2...1.1.2.1.1...1.1.2.2.1...2.2.1.1.2

...1.1.1.1.2...1.2.1.1.2...2.2.2.2.2...1.2.2.1.1...1.2.2.2.1...2.2.2.1.2

...2.2.2.2.2...1.2.2.2.2...2.2.2.2.2...2.2.2.2.2...2.2.1.1.1...2.2.2.2.2

CROSSREFS

Sequence in context: A295777 A319959 A270007 * A081901 A283686 A026389

Adjacent sequences:  A166786 A166787 A166788 * A166790 A166791 A166792

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 21 2009

STATUS

approved

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Last modified February 16 21:59 EST 2019. Contains 320200 sequences. (Running on oeis4.)