login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A147460 Number of n X n binary arrays with all ones connected only in a 1100-1111-0011 pattern in any orientation. 0
1, 1, 1, 9, 25, 93, 589, 6735, 107293, 1848191, 45715541, 1702371353, 91650035599, 6670440839931, 660214237801903 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

Maximal 8 X 8 example

.0.1.1.0.0.1.1.0

.0.1.1.0.0.1.1.0

.1.1.0.0.0.0.1.1

.1.1.0.0.0.0.1.1

.0.0.1.1.0.0.0.0

.0.0.1.1.0.0.1.1

.0.1.1.0.1.1.1.1

.0.1.1.0.1.1.0.0

CROSSREFS

Sequence in context: A075067 A075064 A147332 * A147475 A146674 A083672

Adjacent sequences:  A147457 A147458 A147459 * A147461 A147462 A147463

KEYWORD

nonn

AUTHOR

R. H. Hardin

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 28 07:25 EDT 2022. Contains 354903 sequences. (Running on oeis4.)