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A197663
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,3,5,1,5,0,0 for x=0,1,2,3,4,5,6
0
1, 1, 13, 49, 567, 15412, 329372, 21751339, 2108724044, 293878982370, 87209877288093, 39253957174939181
OFFSET
1,3
COMMENTS
Every 0 is next to 0 5's, every 1 is next to 1 3's, every 2 is next to 2 5's, every 3 is next to 3 1's, every 4 is next to 4 5's, every 5 is next to 5 0's, every 6 is next to 6 0's
EXAMPLE
Some solutions for 5X5X5
......0..........0..........0..........0..........0..........1..........0
.....0.0........1.0........0.0........0.0........1.1........3.1........0.0
....0.1.1......3.1.0......1.1.0......0.0.0......0.3.1......0.1.0......0.0.0
...1.3.0.3....1.0.1.1....3.0.3.1....0.0.1.1....1.0.0.0....3.1.1.3....0.1.0.0
..0.0.1.1.1..0.0.1.3.0..1.1.1.0.0..0.0.0.3.1..1.3.1.0.0..1.1.0.1.1..1.3.1.0.0
CROSSREFS
Sequence in context: A147481 A245138 A373620 * A274784 A294520 A189054
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 17 2011
STATUS
approved