A197897 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,0,3,0,0,0,1 for x=0,1,2,3,4,5,6

1, 4, 13, 125, 1826, 50100, 2541794, 233735998, 39661226385, 12346720856036, 7053348690282698

Offset

1,2

Comments

Every 0 is next to 0 2's, every 1 is next to 1 0's, every 2 is next to 2 3's, every 3 is next to 3 0's, every 4 is next to 4 0's, every 5 is next to 5 0's, every 6 is next to 6 1's

Links

Table of n, a(n) for n=1..11.

Example

Some solutions with all values from 0 to 6 for 8X8X8
.........0................1................1................0
........1.1..............0.1..............0.1..............0.0
.......1.6.1............0.3.2............0.3.2............0.3.1
......0.1.1.0..........0.0.3.1..........0.0.3.1..........0.3.2.1
.....1.1.2.3.0........0.4.0.0.3........0.4.0.0.3........4.0.1.1.0
....1.1.1.3.0.0......1.1.1.4.0.0......1.1.1.4.0.0......0.0.3.2.1.1
...3.0.4.0.0.5.3....1.6.1.3.0.5.3....1.6.1.3.0.5.0....0.5.0.3.1.6.1
..0.0.0.0.4.0.0.0..0.1.1.0.0.0.0.0..0.1.1.0.0.3.0.0..0.0.3.0.0.1.1.0

Crossrefs

Sequence in context: A045886 A015460 A121813 * A203380 A006104 A067634

Adjacent sequences: A197894 A197895 A197896 * A197898 A197899 A197900

Keyword

nonn

Author

R. H. Hardin Oct 19 2011

Status

approved