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!)
A197864 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,2,2,0,3,2,0 for x=0,1,2,3,4,5,6 0

%I #5 Mar 31 2012 12:36:31

%S 1,2,17,164,2549,90950,6988978,961704504,218699376532,98658175034997

%N Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,2,2,0,3,2,0 for x=0,1,2,3,4,5,6

%C Every 0 is next to 0 5's, every 1 is next to 1 2's, every 2 is next to 2 2's, every 3 is next to 3 0's, every 4 is next to 4 3's, every 5 is next to 5 2's, every 6 is next to 6 0's

%e Some solutions with all values from 0 to 6 for 8X8X8

%e .........0................2................0................0

%e ........0.3..............2.2..............3.0..............2.2

%e .......0.3.0............1.0.0............0.3.0............2.5.2

%e ......0.3.4.3..........0.0.6.0..........0.3.4.3..........0.2.5.2

%e .....0.0.3.0.0........2.2.0.0.3........0.0.3.0.0........0.0.2.2.0

%e ....2.2.2.0.6.0......2.5.2.3.4.0......0.6.0.2.2.2......0.3.3.0.0.1

%e ...2.5.5.2.0.0.2....2.5.2.0.3.3.0....2.0.0.2.5.5.2....3.3.4.0.6.0.2

%e ..0.2.2.2.0.1.2.2..0.2.2.0.0.0.3.0..2.2.1.0.2.2.2.0..0.0.0.3.0.0.2.2

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 18 2011

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 April 19 16:38 EDT 2024. Contains 371794 sequences. (Running on oeis4.)