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!)
A184468 1/6 the number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last 2
315, 2755, 14119, 53739, 247879, 904411, 2909367 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A184477

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions with a(1,1)=0 for 4X4

..0..2..1..0....0..2..1..0....0..1..2..0....0..0..1..1....0..2..1..0

..0..0..0..0....1..1..2..2....0..0..1..1....1..0..0..0....1..1..2..1

..1..1..1..1....2..2..1..1....1..0..1..0....1..2..1..1....1..2..2..1

..0..1..2..0....1..0..2..1....2..0..1..2....0..0..1..1....1..2..0..1

CROSSREFS

Sequence in context: A184469 A088010 A145753 * A231760 A048905 A200314

Adjacent sequences:  A184465 A184466 A184467 * A184469 A184470 A184471

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 15 2011

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 28 17:19 EDT 2021. Contains 348329 sequences. (Running on oeis4.)