Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A146775
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A146775 Number of n X n binary arrays with all ones connected only in a 0010-1010-1111 pattern in any orientation. +0
1
1, 1, 1, 17, 49, 205, 3001, 66003, 1489297, 39955495, 2140110575, 190524932103, 22346344948573 (list; graph; listen)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.1.1.1.1.0.0.0.0

.1.0.1.0.0.0.0.0

.0.0.1.0.0.0.1.1

.0.0.0.0.0.0.0.1

.1.0.0.0.0.1.1.1

.1.1.1.0.1.0.0.1

.1.0.0.0.1.0.1.0

.1.1.0.1.1.1.1.0

CROSSREFS

Sequence in context: A126371 A146799 A147201 this_sequence A147217 A147051 A146855

Adjacent sequences: A146772 A146773 A146774 this_sequence A146776 A146777 A146778

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Nov 04 2008

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 19 21:04 EST 2009. Contains 171054 sequences.


AT&T Labs Research