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Search: id:A164752
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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
1
225, 14414, 454001, 10521134, 204261981, 3522663974 (list; graph; listen)
OFFSET

2,1

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: A167035 A167042 A164763 this_sequence A151651 A051364 A061051

Adjacent sequences: A164749 A164750 A164751 this_sequence A164753 A164754 A164755

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Aug 24 2009

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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