A203204 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,2,0,1,1,1 for x=0,1,2,3,4,5,6

1, 5, 23, 187, 2708, 69913, 2935541, 216455480, 28048161050

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 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 7X7X7
........0..............1..............0..............2..............0
.......3.0............1.0............1.1............2.2............0.3
......0.2.2..........1.4.0..........1.6.1..........1.0.0..........2.2.0
.....1.1.2.0........0.1.1.1........0.1.1.0........1.1.3.0........0.2.1.1
....1.5.4.1.1......1.1.5.1.1......2.2.4.1.1......0.1.5.1.1......1.1.4.5.1
...0.1.1.1.6.1....1.6.1.3.0.2....0.2.1.5.1.1....0.4.1.1.6.1....1.6.1.1.1.0
..1.1.1.0.1.1.0..0.1.1.0.0.2.2..0.3.0.1.1.0.1..1.1.1.0.1.1.0..0.1.1.0.1.1.1

Crossrefs

Sequence in context: A203115 A197628 A296840 * A203119 A203214 A197965

Adjacent sequences: A203201 A203202 A203203 * A203205 A203206 A203207

Keyword

nonn

Author

R. H. Hardin Dec 30 2011

Status

approved