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A197763 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,5,1,0,0,1,0 for x=0,1,2,3,4,5,6 0
1, 1, 7, 75, 763, 18910, 792004, 61120305, 8542334163, 2135804958700, 966978394573292 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Every 0 is next to 0 2's, every 1 is next to 1 5's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 0's, every 5 is next to 5 1's, every 6 is next to 6 0's

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions with all values from 0 to 6 for 6X6X6

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

......0.0..........1.1..........0.0..........0.0..........1.1..........0.3

.....0.6.0........1.5.1........0.4.3........0.6.0........1.5.1........0.4.0

....0.0.0.1......0.0.1.0......1.1.0.0......0.0.0.1......0.1.0.0......1.1.0.0

...0.4.1.5.1....0.6.0.4.0....1.5.0.6.0....3.4.1.5.1....3.4.0.6.0....1.5.0.6.0

..0.3.0.1.1.2..0.0.0.3.0.0..2.1.1.0.0.0..0.0.0.1.1.2..0.0.0.0.0.0..2.1.1.0.0.0

CROSSREFS

Sequence in context: A197091 A174243 A157706 * A202251 A243692 A258293

Adjacent sequences:  A197760 A197761 A197762 * A197764 A197765 A197766

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 17 2011

STATUS

approved

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Last modified December 9 00:45 EST 2016. Contains 278959 sequences.