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A192443 Number of nXnXn triangular binary arrays with every 1 adjacent to exactly 3 other 1s 0
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 13, 35, 87, 286, 908, 4080, 23994, 186034, 1891698 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,10
LINKS
EXAMPLE
Some solutions for 12X12X12
.............0........................0........................0
............0.0......................0.0......................0.0
...........0.0.0....................0.0.0....................0.0.0
..........1.1.1.1..................1.1.1.1..................0.0.0.0
.........1.1.0.1.1................1.1.0.1.1................0.0.0.0.0
........1.0.0.0.0.1..............1.0.0.0.0.1..............0.1.1.1.1.0
.......1.1.1.1.0.1.1............1.1.0.0.0.1.1............0.1.1.0.1.1.0
......1.0.0.1.1.0.1.0..........1.0.1.1.0.0.1.0..........0.1.0.0.0.0.1.0
.....1.1.0.0.0.1.1.0.0........1.1.0.1.1.1.1.0.0........0.1.1.0.0.0.1.1.0
....0.1.0.0.0.0.1.0.0.0......0.1.0.0.0.0.1.0.0.0......0.0.1.0.0.0.0.1.0.0
...0.0.1.1.0.1.1.0.0.0.0....0.0.1.1.0.1.1.0.0.0.0....0.0.0.1.1.0.1.1.0.0.0
..0.0.0.1.1.1.1.0.0.0.0.0..0.0.0.1.1.1.1.0.0.0.0.0..0.0.0.0.1.1.1.1.0.0.0.0
CROSSREFS
Sequence in context: A148233 A148234 A284335 * A189590 A189597 A148235
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 01 2011
STATUS
approved

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)