login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A260499 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001011 1
1600, 2115, 5219, 9616, 13651, 31078, 67993, 103520, 205769, 478636, 814781, 1474039, 3329758, 6280086, 11053808, 23440140, 46913222, 84184848, 168447589, 344315004, 638782384, 1233316423, 2511417269, 4802082633, 9139233197 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A260501

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

..0..0..0..0..0..0..0..1....1..0..0..0..1..0..0..1....1..0..0..0..0..0..1..0

..0..0..1..1..0..0..1..1....1..1..0..0..1..0..0..0....0..0..0..0..0..0..0..0

..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0....0..0..0..1..0..0..0..0

..0..0..0..0..0..0..0..0....1..0..0..0..0..0..0..1....1..0..0..1..0..0..1..0

..0..0..1..1..0..0..1..0....1..0..0..1..1..0..0..0....0..0..0..0..0..0..1..1

..0..0..0..0..0..0..1..0....0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..1

CROSSREFS

Cf. A260501

Sequence in context: A282158 A252110 A224951 * A309562 A043412 A202096

Adjacent sequences:  A260496 A260497 A260498 * A260500 A260501 A260502

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 27 2015

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 September 19 15:17 EDT 2021. Contains 347564 sequences. (Running on oeis4.)