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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A260759 Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011 0
48, 115, 652, 2449, 5256, 24103, 104308, 305402, 1256376, 5925416, 21507088, 91126064, 441481332, 1976848566, 8589712868, 45244127036, 228262628800 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A260767

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Cf. A260767

Sequence in context: A044235 A044616 A182679 * A211726 A232938 A194952

Adjacent sequences:  A260756 A260757 A260758 * A260760 A260761 A260762

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 30 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 November 14 00:05 EST 2019. Contains 329106 sequences. (Running on oeis4.)