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!)
A196910 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4 1
9, 199, 2843, 45491, 733802, 12186565, 200038888, 3288093050, 54146489903, 891524201851, 14679971940400, 241775144671286, 3982212408210114, 65590626468018714, 1080350655220465627, 17794687292056874401 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Every 0 is next to 0 3's, every 1 is next to 1 1's, every 2 is next to 2 2's, every 3 is next to 3 0's, every 4 is next to 4 4's

Column 6 of A196912

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A003026 A157594 A232276 * A064756 A197077 A093708

Adjacent sequences:  A196907 A196908 A196909 * A196911 A196912 A196913

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 07 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 September 21 10:46 EDT 2021. Contains 347597 sequences. (Running on oeis4.)