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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A260174 Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010001 1
950, 2500, 6813, 19701, 61216, 189092, 572908, 1765974, 5534722, 16874335, 52310860, 162084954, 502275218, 1543181152, 4795244300, 14814191502, 45829422118, 141421951282, 438617706688, 1354008619436, 4190579546606 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A260177

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A260177

Sequence in context: A217936 A013532 A108896 * A285157 A096954 A048267

Adjacent sequences:  A260171 A260172 A260173 * A260175 A260176 A260177

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 17 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 July 24 02:52 EDT 2019. Contains 325287 sequences. (Running on oeis4.)