login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A203120 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,2,1,1,1,0,1 for x=0,1,2,3,4,5,6 0
1, 4, 22, 186, 6533, 192632, 19111567, 3204615373, 1000664675682 (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 2's, every 2 is next to 2 1's, every 3 is next to 3 1's, every 4 is next to 4 1'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..9.

EXAMPLE

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

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

.......1.1............1.1............0.2............1.2............2.0

......1.6.1..........1.6.1..........0.1.0..........3.1.0..........0.1.0

.....2.1.1.2........2.1.1.2........2.1.3.2........2.1.0.2........2.1.3.2

....0.0.3.0.0......0.3.0.0.0......0.1.4.1.1......0.1.4.1.1......0.1.4.1.1

...0.5.2.1.1.2....2.1.1.2.5.0....0.5.0.1.6.1....0.5.0.1.6.1....0.5.0.1.6.1

..0.0.0.1.4.1.0..0.1.4.1.0.0.0..0.0.0.2.1.1.2..0.0.0.2.1.1.2..0.0.0.2.1.1.2

CROSSREFS

Sequence in context: A220231 A112370 A197961 * A002728 A062494 A183274

Adjacent sequences:  A203117 A203118 A203119 * A203121 A203122 A203123

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 29 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 December 7 06:09 EST 2021. Contains 349567 sequences. (Running on oeis4.)