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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A260608 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000101 00010001 or 00010101 1
2246, 5418, 19069, 59758, 217376, 727342, 2707758, 8855024, 33286034, 110210856, 412748296, 1357891144, 5097313270, 16821243128, 63055195644, 207867167400, 779656269748, 2570612995104, 9639618875124, 31789508626272, 119214975682522 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A260609

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A260609

Sequence in context: A263912 A251051 A107529 * A125522 A250938 A230679

Adjacent sequences:  A260605 A260606 A260607 * A260609 A260610 A260611

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 29 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 October 17 15:27 EDT 2019. Contains 328116 sequences. (Running on oeis4.)