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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A197994 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,4,2,0,1,0,2 for x=0,1,2,3,4,5,6 0
1, 2, 11, 95, 1963, 70225, 5408352, 818404797, 243161923228 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Every 0 is next to 0 6's, every 1 is next to 1 4's, every 2 is next to 2 2's, every 3 is next to 3 0's, every 4 is next to 4 1's, every 5 is next to 5 0's, every 6 is next to 6 2's

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions with all values from 0 to 6 for 7X7X7

........0..............0..............0..............0..............0

.......0.0............0.3............0.0............2.2............0.1

......2.2.0..........2.2.0..........0.1.1..........2.6.2..........1.4.1

.....2.6.2.1........2.6.2.0........2.2.4.1........0.2.2.0........0.0.1.0

....0.2.2.4.1......0.2.2.0.0......2.6.2.1.0......1.0.0.0.0......0.0.3.2.2

...0.5.0.1.1.0....0.5.0.3.1.1....0.2.2.0.5.0....4.1.0.0.5.0....3.5.0.2.6.2

..0.0.0.0.0.3.0..0.0.0.0.1.4.1..0.3.0.0.0.0.0..1.1.0.0.3.0.0..0.0.0.0.2.2.0

CROSSREFS

Sequence in context: A098621 A266834 A131407 * A186273 A261886 A245895

Adjacent sequences:  A197991 A197992 A197993 * A197995 A197996 A197997

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 20 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 August 26 06:15 EDT 2019. Contains 326330 sequences. (Running on oeis4.)