A197705 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,3,1,1,0,0,0 for x=0,1,2,3,4,5,6

1, 1, 10, 39, 464, 13117, 385689, 22773446, 2779601106, 534016211475

Offset

1,3

Comments

Every 0 is next to 0 3's, every 1 is next to 1 3's, every 2 is next to 2 1's, every 3 is next to 3 1's, every 4 is next to 4 0's, every 5 is next to 5 0'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 6X6X6
.......1............1............1............1............0............1
......2.3..........2.3..........3.2..........1.3..........4.0..........2.3
.....0.1.1........0.1.1........1.1.0........0.2.1........0.0.4........0.1.1
....0.5.0.0......0.4.0.0......0.0.5.0......0.5.0.0......0.5.0.0......0.5.0.0
...4.0.0.6.0....0.5.0.6.0....0.6.0.0.4....0.0.0.6.0....1.2.0.6.0....4.0.0.6.0
..0.0.0.0.0.0..0.0.0.0.0.0..0.0.0.0.0.0..0.0.4.0.0.0..1.3.1.0.0.0..0.0.4.0.0.0

Crossrefs

Sequence in context: A267626 A189947 A370792 * A306413 A187205 A104045

Adjacent sequences: A197702 A197703 A197704 * A197706 A197707 A197708

Keyword

nonn

Author

R. H. Hardin Oct 17 2011

Status

approved