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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A197786 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,6,0,0,0,0,1 for x=0,1,2,3,4,5,6 0
1, 4, 18, 209, 4988, 221443, 19332957, 3266183233, 1068404830615, 677798120112881, 833288676199771911 (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 6's, every 2 is next to 2 0's, every 3 is next to 3 0's, every 4 is next to 4 0's, every 5 is next to 5 0's, every 6 is next to 6 1's

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions with all values from 0 to 6 for 6X6X6

.......0............0............0............0............2............2

......0.3..........1.1..........1.1..........0.0..........0.0..........0.0

.....0.4.0........1.6.1........1.6.1........0.5.0........0.5.0........0.5.0

....1.1.0.0......0.1.1.0......0.1.1.0......1.1.0.3......0.0.1.1......3.0.1.1

...1.6.1.5.0....0.4.0.5.0....0.4.0.5.0....1.6.1.4.0....3.4.1.6.1....0.4.1.6.1

..0.1.1.0.0.2..2.0.3.0.0.0..2.0.3.0.0.2..0.1.1.0.0.2..0.0.0.1.1.0..0.0.0.1.1.0

CROSSREFS

Sequence in context: A154731 A201346 A174663 * A242083 A327335 A275965

Adjacent sequences:  A197783 A197784 A197785 * A197787 A197788 A197789

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 18 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 00:17 EDT 2019. Contains 327252 sequences. (Running on oeis4.)