A197661 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,2,2,3,2,1 for x=0,1,2,3,4,5,6

1, 5, 14, 63, 536, 15648, 545796, 50029471, 6569786146

Offset

1,2

Comments

Every 0 is next to 0 5's, every 1 is next to 1 0's, every 2 is next to 2 2's, every 3 is next to 3 2's, every 4 is next to 4 3's, every 5 is next to 5 2'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 8X8X8
.........0................0................0................0
........1.1..............1.1..............2.2..............2.2
.......1.6.1............1.6.1............2.0.2............2.5.2
......0.1.1.0..........0.1.1.0..........3.2.3.2..........0.2.3.2
.....1.2.2.2.0........0.2.2.2.1........0.2.3.4.2........0.2.3.4.2
....2.2.3.3.2.2......2.2.3.3.2.2......1.1.2.3.3.2......1.1.2.3.3.2
...2.0.3.4.3.5.2....2.5.3.4.3.0.2....1.6.1.2.2.5.2....1.6.1.2.2.0.2
..0.2.2.2.2.2.2.0..0.2.2.2.2.2.2.0..0.1.1.0.0.2.2.0..0.1.1.0.1.2.2.0

Crossrefs

Sequence in context: A268814 A165517 A197788 * A004030 A256413 A346212

Adjacent sequences: A197658 A197659 A197660 * A197662 A197663 A197664

Keyword

nonn

Author

R. H. Hardin Oct 17 2011

Status

approved