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A198024
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,6,1,0,1,0,1 for x=0,1,2,3,4,5,6
0
1, 1, 4, 26, 192, 3269, 78117, 3513962, 247575648, 30693247619, 6179267999635
OFFSET
1,3
COMMENTS
Every 0 is next to 0 4's, every 1 is next to 1 6's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 1's, every 5 is next to 5 0's, every 6 is next to 6 1's
EXAMPLE
Some solutions with all values from 0 to 6 for 7X7X7
........2..............0..............0..............0..............0
.......1.1............0.0............0.0............0.0............1.1
......1.6.1..........3.5.0..........0.5.0..........0.5.0..........1.6.1
.....0.1.1.4........0.0.0.2........2.3.0.2........2.0.3.2........4.1.1.0
....0.0.0.1.1......1.1.0.1.1......1.1.0.1.1......1.1.0.1.1......1.1.0.0.3
...3.5.0.1.6.1....1.6.1.1.6.1....1.6.1.1.6.1....1.6.1.1.6.1....1.6.1.5.0.3
..0.0.0.2.1.1.2..0.1.1.4.1.1.2..0.1.1.4.1.1.2..0.1.1.4.1.1.0..2.1.1.0.0.0.0
CROSSREFS
Sequence in context: A084211 A114496 A127086 * A278393 A349361 A192499
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 20 2011
STATUS
approved