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A197624 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,3,0,5,5,2,4 for x=0,1,2,3,4,5,6 0
1, 4, 9, 12, 24, 45, 57, 125, 609, 1161, 4575, 17459 (list; graph; refs; listen; history; text; internal format)
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 0's, every 3 is next to 3 5's, every 4 is next to 4 5's, every 5 is next to 5 2's, every 6 is next to 6 4's

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for 5X5X5

......0..........2..........0..........2..........2..........0..........2

.....0.0........0.0........0.0........0.0........0.0........0.2........0.0

....0.0.0......0.0.0......2.0.2......0.0.0......2.2.2......2.2.2......0.0.0

...0.0.0.0....0.0.0.0....2.2.2.2....0.0.0.0....0.2.2.0....0.2.0.0....0.0.0.0

..2.0.0.0.0..0.0.0.0.0..0.0.2.0.0..2.0.0.0.0..2.0.2.0.2..0.2.2.0.2..0.0.0.0.2

CROSSREFS

Sequence in context: A220195 A221355 A197681 * A199973 A320925 A212875

Adjacent sequences:  A197621 A197622 A197623 * A197625 A197626 A197627

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 16 2011

STATUS

approved

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Last modified July 20 22:20 EDT 2019. Contains 325189 sequences. (Running on oeis4.)