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URL: https://oeis.org/A198043

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A198043
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,3,2,1,1,0,2 for x=0,1,2,3,4,5,6.
0
1, 2, 17, 116, 2594, 103028, 6839290, 1067024966, 305598153523
OFFSET
1,2
COMMENTS
Every 0 is next to 0 6's, every 1 is next to 1 3'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 0's, every 6 is next to 6 2's
EXAMPLE
Some solutions with all values from 0 to 6 for 7X7X7
........2..............0..............1..............1..............0
.......2.2............1.0............1.3............3.1............2.2
......0.0.0..........3.4.1..........1.4.1..........1.4.0..........2.6.2
.....0.5.0.0........1.1.1.3........1.3.1.0........0.1.1.0........0.2.2.0
....1.1.0.2.2......2.2.0.0.1......0.0.2.2.1......0.0.3.2.2......1.0.0.0.0
...3.4.3.2.6.2....2.6.2.5.0.0....0.5.2.6.2.3....0.5.1.2.6.2....3.4.1.1.5.0
..1.1.1.1.2.2.0..0.2.2.0.0.0.0..0.0.0.2.2.1.1..0.0.0.0.2.2.0..1.1.1.3.0.0.0
CROSSREFS
Sequence in context: A203247 A294271 A203123 * A037747 A037628 A037754
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 20 2011
STATUS
approved