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A164752 Number of nX6 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, and 4 in the lower right corner 0
225, 14414, 454001, 10521134, 204261981, 3522663974 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..7.

EXAMPLE

Some solutions for n=3

...1.1.1.2.2.2...1.1.1.2.2.2...1.1.1.2.2.2...1.3.2.2.2.2...1.1.2.2.2.2

...1.1.3.4.2.2...3.1.3.2.4.2...3.3.3.2.4.4...1.3.3.2.4.2...1.3.3.4.4.4

...3.3.3.4.4.4...3.3.3.4.4.4...3.3.3.3.4.4...3.3.3.4.4.4...3.3.3.4.4.4

------

...1.1.2.2.2.2...1.3.2.2.2.2...1.1.1.2.2.2...1.1.2.2.2.2...1.1.2.2.2.2

...3.1.3.2.2.2...1.3.3.4.4.4...1.1.3.4.4.4...1.3.3.4.4.2...1.1.1.2.2.2

...3.3.3.3.4.4...3.3.3.4.4.4...3.3.3.3.4.4...3.3.3.3.4.4...3.3.3.3.2.4

CROSSREFS

Sequence in context: A167042 A242268 A164763 * A151651 A051364 A192934

Adjacent sequences:  A164749 A164750 A164751 * A164753 A164754 A164755

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 24 2009

STATUS

approved

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Last modified October 5 12:19 EDT 2022. Contains 357255 sequences. (Running on oeis4.)