A203224 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,1,1,1,1,0 for x=0,1,2,3,4,5,6

1, 4, 10, 116, 2763, 50676, 3744758, 392622102, 57938084203, 22881769780910

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 1'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 0's

Links

Table of n, a(n) for n=1..10.

Example

Some solutions with all values from 0 to 6 for 7X7X7
........0..............0..............0..............1..............0
.......0.0............1.1............0.0............0.1............0.0
......0.6.0..........1.5.1..........0.6.0..........1.4.2..........0.6.0
.....2.0.0.0........0.1.2.0........2.0.0.0........2.1.1.0........2.0.0.0
....1.1.3.2.1......1.3.2.0.0......1.1.2.2.1......0.0.3.1.1......1.1.3.2.1
...0.4.1.1.5.1....1.4.1.0.6.0....0.1.4.1.5.1....0.6.0.2.5.1....0.4.1.1.5.1
..1.1.2.0.1.1.0..1.0.1.2.0.0.0..1.3.1.0.1.1.0..0.0.0.0.1.1.0..1.2.1.0.1.1.0

Crossrefs

Sequence in context: A267128 A098449 A118378 * A198156 A347818 A273517

Adjacent sequences: A203221 A203222 A203223 * A203225 A203226 A203227

Keyword

nonn

Author

R. H. Hardin Dec 30 2011

Status

approved