A197941 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,5,2,0,1,1,0 for x=0,1,2,3,4,5,6

1, 2, 8, 59, 758, 16589, 691050, 49864703, 6407474303, 1486385754054

Offset

1,2

Comments

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

Links

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

Example

Some solutions with all values from 0 to 6 for 7X7X7
........2..............2..............0..............0..............0
.......2.2............2.2............1.1............1.1............1.1
......3.0.0..........0.0.3..........1.5.1..........1.5.1..........1.5.1
.....0.0.6.0........0.6.0.0........4.1.0.0........4.1.3.0........4.1.0.0
....0.1.0.0.1......1.0.0.1.1......1.1.0.6.0......1.1.0.0.3......1.1.0.0.3
...1.5.1.1.5.1....1.5.1.1.5.1....1.5.0.0.0.2....1.5.0.6.0.2....1.5.0.6.0.2
..0.1.1.4.1.1.0..0.1.1.4.1.0.0..0.1.1.3.0.2.2..0.1.1.0.0.2.2..0.1.1.0.0.2.2

Crossrefs

Sequence in context: A203217 A203208 A181010 * A295502 A196076 A027278

Adjacent sequences: A197938 A197939 A197940 * A197942 A197943 A197944

Keyword

nonn

Author

R. H. Hardin Oct 19 2011

Status

approved