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A197593 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 1,6,4,6,0,0,1 for x=0,1,2,3,4,5,6 0
1, 1, 4, 18, 98, 1460, 35691, 1385653, 113578137, 17175107452, 4747357788947, 2462207136693903 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Every 0 is next to 0 1's, every 1 is next to 1 6's, every 2 is next to 2 4's, every 3 is next to 3 6's, every 4 is next to 4 0's, every 5 is next to 5 0's, every 6 is next to 6 1's
LINKS
EXAMPLE
Some solutions for 5X5X5
......0..........0..........0..........0..........0..........0..........0
.....0.0........0.0........0.0........0.0........0.0........0.0........4.0
....2.4.0......0.5.0......0.4.2......4.0.0......4.0.0......4.0.0......0.0.0
...0.4.0.4....0.5.0.0....4.0.4.0....0.0.0.0....0.0.0.4....0.0.0.4....0.0.0.0
..0.0.0.0.0..0.0.0.0.0..0.0.0.0.0..0.0.0.4.0..0.4.0.0.0..0.0.0.0.0..0.4.0.0.0
CROSSREFS
Sequence in context: A020072 A020027 A263688 * A084832 A135177 A244309
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 16 2011
STATUS
approved

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Last modified July 21 06:08 EDT 2024. Contains 374463 sequences. (Running on oeis4.)