A198042 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,2,0,0,1,2 for x=0,1,2,3,4,5,6

1, 5, 26, 267, 5643, 228812, 17249959, 2528177843, 706177981671

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 0's, every 4 is next to 4 0's, every 5 is next to 5 1's, every 6 is next to 6 2's

Links

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

Example

Some solutions with all values from 0 to 6 for 7X7X7
........1..............0..............1..............1..............0
.......0.1............2.2............1.0............0.1............2.2
......1.1.1..........2.6.2..........1.1.1..........1.1.1..........2.6.2
.....1.5.1.0........0.2.2.0........0.1.5.1........1.5.1.0........0.2.2.1
....0.3.1.2.2......0.0.1.1.1......2.2.1.3.0......0.3.1.2.2......1.1.1.0.3
...0.0.0.2.6.2....4.0.3.5.1.1....2.6.2.0.0.4....4.0.0.2.6.2....1.1.5.3.0.0
..0.4.0.0.2.2.0..0.0.0.1.1.0.1..0.2.2.0.4.0.0..0.0.3.1.2.2.0..1.0.1.1.0.4.0

Crossrefs

Sequence in context: A368294 A366700 A041042 * A198157 A048690 A203198

Adjacent sequences: A198039 A198040 A198041 * A198043 A198044 A198045

Keyword

nonn

Author

R. H. Hardin Oct 20 2011

Status

approved