Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A146445
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A146445 Number of n X n binary arrays with all ones connected only in a 1100-0110-0011 pattern in any orientation. +0
1
1, 1, 1, 9, 33, 185, 1861, 35285, 845657, 28275879, 1543673839, 135800422841, 17596518150277 (list; graph; listen)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.0.0.1.0.0.1.1.0

.0.1.1.0.1.1.0.1

.1.1.0.1.1.0.1.1

.1.0.1.0.0.1.1.0

.0.1.1.0.0.1.0.0

.1.1.0.1.1.0.1.1

.1.0.1.1.0.1.1.0

.0.1.1.0.1.1.0.0

CROSSREFS

Sequence in context: A146136 A147444 A137627 this_sequence A046997 A013488 A063423

Adjacent sequences: A146442 A146443 A146444 this_sequence A146446 A146447 A146448

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net)

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 November 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research