login
The OEIS is supported by the many generous donors to the OEIS 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 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A198029 Number of n X n X n 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,1,2,2,0,0,2 for x=0,1,2,3,4,5,6. 0
1, 5, 23, 271, 7626, 388997, 43773565, 10352471548, 5131572966569 (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 1's, every 2 is next to 2 2's, every 3 is next to 3 2's, every 4 is next to 4 0'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 7 X 7 X 7

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

.......0.0............2.2............1.0............2.2............1.1

......2.2.1..........2.6.2..........1.0.4..........2.6.2..........2.2.0

.....0.2.3.1........1.2.2.3........0.5.0.0........1.2.2.3........2.6.2.0

....4.0.0.2.2......0.1.0.0.2......0.0.0.2.2......0.1.0.0.2......3.2.2.0.0

...0.0.5.2.6.2....4.0.0.5.2.2....0.2.3.2.6.2....0.0.0.5.2.2....2.1.0.5.0.4

..1.1.0.0.2.2.0..0.0.0.0.0.1.1..0.2.2.3.2.2.0..0.4.0.0.0.1.1..2.2.1.0.0.0.0

CROSSREFS

Sequence in context: A156555 A116652 A197936 * A072104 A086797 A023275

Adjacent sequences: A198026 A198027 A198028 * A198030 A198031 A198032

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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 8 03:48 EST 2022. Contains 358672 sequences. (Running on oeis4.)