A197797 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,0,2,1,1,1,1 for x=0,1,2,3,4,5,6

1, 5, 14, 87, 1079, 18216, 908323, 57289286, 5654429478

Offset

1,2

Comments

Every 0 is next to 0 6's, every 1 is next to 1 0's, every 2 is next to 2 2'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

Table of n, a(n) for n=1..9.

Example

Some solutions with all values from 0 to 6 for 8X8X8
.........0................0................1................0
........1.1..............1.1..............0.1..............1.1
.......1.6.1............2.1.1............1.1.3............1.1.3
......0.1.1.0..........2.2.0.2..........1.4.4.1..........0.4.0.1
.....1.1.5.1.1........0.1.1.2.2........1.0.1.1.0........1.1.1.1.1
....1.1.3.1.1.2......1.1.5.3.0.1......4.1.1.5.3.1......1.6.1.5.1.0
...0.4.0.2.0.2.2....1.6.1.1.1.4.1....1.1.6.1.1.2.1....0.1.1.0.1.2.0
..1.1.1.2.2.0.0.1..0.1.1.0.1.1.0.1..1.0.1.1.0.2.2.0..1.1.4.1.1.2.2.1

Crossrefs

Sequence in context: A308386 A198039 A198091 * A378572 A224245 A374510

Adjacent sequences: A197794 A197795 A197796 * A197798 A197799 A197800

Keyword

nonn

Author

R. H. Hardin Oct 18 2011

Status

approved