login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A146682 Number of n X n binary arrays with all ones connected only in a 1100-1000-1111 pattern in any orientation. 0
1, 1, 1, 17, 57, 265, 2569, 53981, 1294213, 32947589, 1419168779, 106809574383 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.1.1.1.0.1.1.1.1

.1.0.1.0.0.0.0.1

.1.0.0.0.0.0.1.1

.1.0.0.0.0.0.0.0

.0.0.1.0.0.0.0.0

.0.0.1.0.1.1.0.0

.1.0.1.0.1.0.0.0

.1.1.1.0.1.1.1.1

CROSSREFS

Sequence in context: A097059 A117390 A141841 * A146650 A147131 A147162

Adjacent sequences:  A146679 A146680 A146681 * A146683 A146684 A146685

KEYWORD

nonn

AUTHOR

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 04:18 EST 2012. Contains 205860 sequences.