Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A147202
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A147202 Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0101-0111 pattern in any orientation. +0
1
1, 1, 1, 1, 1, 1, 17, 27, 551, 1021, 8573, 22795, 308785, 847643, 66874367, 234921783, 36568568531, 162590981411, 22736801115521, 121607805121155, 25119564285391935 (list; graph; listen)
OFFSET

1,7

EXAMPLE

Maximal 8 X 8 example

.1.0.0.0.0.0.0.1

.1.1.1.0.0.1.1.1

.0.0.1.0.0.1.0.0

.0.1.1.0.0.1.1.0

.1.0.0.0.0.0.0.1

.1.1.1.0.0.1.1.1

.0.0.1.0.0.1.0.0

.0.1.1.0.0.1.1.0

CROSSREFS

Sequence in context: A166658 A033702 A000797 this_sequence A146776 A147218 A146856

Adjacent sequences: A147199 A147200 A147201 this_sequence A147203 A147204 A147205

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 November 27 14:13 EST 2009. Contains 167514 sequences.


AT&T Labs Research