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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A180757 Half the number of nX8 binary arrays with each element equal to at least two neighbors 1
0, 13, 31, 658, 8840, 141313, 2141384, 33329847, 514990479, 7988200496, 123822198215, 1920693558801, 29793765165720, 462205529321051, 7170401050696078, 111238701384104135, 1725707750909016718 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 8 of A180760

LINKS

R. H. Hardin, Table of n, a(n) for n=1..99

CROSSREFS

Sequence in context: A023304 A247837 A227172 * A214488 A247836 A159670

Adjacent sequences:  A180754 A180755 A180756 * A180758 A180759 A180760

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 20 2010

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 15 05:50 EST 2019. Contains 329144 sequences. (Running on oeis4.)