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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A196965 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,2,0,3 for x=0,1,2,3,4 1
9, 449, 17966, 634241, 24281566, 906566345, 33928210026, 1276381991598, 47878302949552, 1796412252140585, 67423941362664276, 2530227381866900256, 94953390054212557512, 3563426148443173137440, 133727820453911745380230 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Every 0 is next to 0 4'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 3's

Column 6 of A196967

LINKS

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

EXAMPLE

Some solutions for n=4

..0..0..1..0..0..0....0..0..0..1..2..2....0..0..0..2..2..0....0..0..0..0..3..0

..0..0..1..0..3..0....0..0..3..1..2..2....0..0..0..2..2..0....0..0..0..0..0..0

..0..0..3..0..2..2....0..3..0..0..1..0....0..0..1..1..0..0....0..3..0..0..0..0

..1..1..0..0..2..2....0..1..1..0..1..0....0..3..0..0..3..0....1..1..0..1..1..0

CROSSREFS

Sequence in context: A173954 A239479 A229625 * A069073 A156086 A160478

Adjacent sequences:  A196962 A196963 A196964 * A196966 A196967 A196968

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 08 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 20 12:36 EDT 2019. Contains 328257 sequences. (Running on oeis4.)