Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A166772
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A166772 Number of nX6 1..3 arrays containing at least one of each value, and all equal values connected. +0
1
60, 3780, 108456, 2247456, 38813010 (list; graph; listen)
OFFSET

1,1

EXAMPLE

Some solutions for n=3

...3.3.1.2.2.2...1.1.1.1.1.1...2.3.3.3.1.1...2.2.3.3.3.3...1.1.1.1.1.3

...3.1.1.1.1.1...1.1.1.3.1.1...2.2.2.3.1.1...1.1.1.3.3.3...2.1.1.1.3.3

...3.3.3.3.1.1...1.2.2.2.2.1...2.2.2.1.1.1...1.3.3.3.3.3...2.2.2.1.3.3

------

...3.3.3.3.2.2...1.2.2.2.2.3...1.1.1.1.3.3...3.3.3.1.1.1...1.2.2.2.2.2

...3.3.1.3.2.2...1.1.2.3.3.3...2.1.2.1.3.2...3.2.3.1.2.1...2.2.2.3.3.2

...3.1.1.3.3.2...2.2.2.2.2.2...2.2.2.2.2.2...3.2.2.2.2.2...2.2.2.3.3.3

CROSSREFS

Sequence in context: A053401 A159991 A042741 this_sequence A074076 A084274 A091032

Adjacent sequences: A166769 A166770 A166771 this_sequence A166773 A166774 A166775

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Oct 21 2009

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


AT&T Labs Research