A202763 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,0,0,1,1,0 for x=0,1,2,3,4,5,6

1, 7, 39, 398, 7425, 227653, 12223523, 1135502370, 181653002661, 50504518603881

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 0'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
........0..............0..............0..............0..............2
.......0.0............1.1............1.1............1.1............0.0
......0.6.0..........1.4.1..........1.4.1..........1.5.1..........0.6.0
.....3.0.0.0........0.2.0.3........3.0.2.0........0.1.2.0........3.0.0.0
....1.0.3.2.1......1.1.3.0.0......0.0.3.1.1......1.2.3.0.0......1.0.3.2.1
...1.4.2.1.5.1....1.5.2.0.6.0....0.6.0.2.5.1....1.4.0.0.6.0....1.4.2.1.5.1
..0.1.1.0.1.1.0..0.1.1.0.0.0.2..0.0.0.0.1.1.0..0.1.1.3.0.0.0..0.1.1.0.1.1.0

Crossrefs

Sequence in context: A203111 A198048 A305361 * A035357 A207152 A135059

Adjacent sequences: A202760 A202761 A202762 * A202764 A202765 A202766

Keyword

nonn

Author

R. H. Hardin Dec 23 2011

Status

approved