A198091 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,2,1,1,1,2 for x=0,1,2,3,4,5,6

1, 5, 14, 87, 1076, 18288, 851062, 53145769, 5147572134

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

Links

Table of n, a(n) for n=1..9.

Example

Some solutions with all values from 0 to 6 for 7X7X7
........1..............1..............1..............1..............0
.......0.1............0.1............1.0............0.1............2.2
......0.4.1..........1.4.1..........1.4.1..........0.4.1..........2.6.2
.....1.1.1.0........3.1.0.1........0.1.2.2........1.1.1.0........0.2.2.1
....1.5.3.2.2......1.5.1.2.2......1.3.2.6.2......1.5.3.2.2......1.3.1.0.1
...0.1.1.2.6.2....0.1.1.2.6.2....1.5.1.2.2.0....0.1.1.2.6.2....1.5.1.4.1.1
..1.1.1.0.2.2.0..1.1.1.0.2.2.0..0.1.1.0.1.1.1..1.3.1.0.2.2.0..0.1.1.0.1.1.0

Crossrefs

Sequence in context: A203225 A308386 A198039 * A197797 A224245 A238380

Adjacent sequences: A198088 A198089 A198090 * A198092 A198093 A198094

Keyword

nonn

Author

R. H. Hardin Oct 21 2011

Status

approved