The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A198160 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,3,3,1,1,0,1 for x=0,1,2,3,4,5,6 0
1, 1, 13, 54, 846, 25780, 859573, 86163253, 12266096117, 3194757527455 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Every 0 is next to 0 2's, every 1 is next to 1 3's, every 2 is next to 2 3'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
EXAMPLE
Some solutions with all values from 0 to 6 for 7X7X7
........0..............0..............0..............0..............0
.......1.1............0.0............1.3............0.0............1.1
......3.2.3..........0.5.0..........4.1.1..........0.5.0..........3.2.3
.....1.1.1.1........1.3.0.1........1.1.6.1........1.0.3.1........1.1.1.1
....1.6.1.0.0......4.1.1.1.3......0.3.1.1.3......3.1.1.1.4......0.0.1.6.1
...3.1.1.3.5.0....1.1.6.1.2.1....0.5.0.1.2.1....1.2.1.6.1.1....0.5.3.1.1.3
..0.1.4.1.0.0.0..0.3.1.1.3.1.0..0.0.0.1.3.1.0..0.1.3.1.1.3.0..0.0.0.1.4.1.0
CROSSREFS
Sequence in context: A195024 A071230 A027000 * A029531 A158485 A274973
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 21 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 May 19 09:05 EDT 2024. Contains 372673 sequences. (Running on oeis4.)