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!)
A205081 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 0,0,1,1,1,1,1 for x=0,1,2,3,4,5,6 0
1, 3, 6, 70, 1694, 19492, 1373508, 114092895, 11345187570, 4332229490711 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Every 0 is next to 0 0's, every 1 is next to 1 0'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 1's, every 6 is next to 6 1's
LINKS
EXAMPLE
Some solutions with all values from 0 to 6 for 7X7X7
........1..............1..............0..............0..............1
.......0.1............3.0............1.2............2.1............0.1
......2.1.3..........1.1.2..........1.5.1..........1.4.1..........2.1.3
.....0.1.1.0........0.4.1.0........0.1.1.0........0.1.3.0........0.1.1.0
....2.1.6.1.1......1.1.5.1.2......2.1.6.1.1......1.1.4.1.1......1.1.5.1.1
...1.4.1.1.5.2....1.6.1.1.1.0....1.4.1.1.1.3....1.5.3.1.6.1....1.6.1.3.4.1
..0.2.1.0.1.1.0..0.1.1.0.1.3.1..0.1.2.0.2.0.1..0.1.1.0.1.1.0..0.1.1.0.1.2.0
CROSSREFS
Sequence in context: A069502 A296374 A362822 * A282175 A182966 A023174
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 21 2012
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 July 18 21:02 EDT 2024. Contains 374388 sequences. (Running on oeis4.)