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A205077 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,3,1,2,0,0,0 for x=0,1,2,3,4,5,6 0
1, 1, 4, 21, 134, 2338, 56701, 2696502, 216819242, 30810645304 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

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

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions with all values from 0 to 6 for 7X7X7

........0..............0..............0..............0..............0

.......4.0............1.2............0.0............2.1............1.2

......0.0.0..........2.3.1..........0.0.0..........1.3.2..........2.3.1

.....0.6.0.0........0.1.2.0........0.5.0.0........0.2.1.0........0.1.2.0

....4.0.0.1.2......0.5.0.0.4......2.1.0.6.0......0.0.0.5.0......4.0.0.5.0

...0.0.5.2.3.1....0.0.0.6.0.0....1.3.2.0.0.4....0.0.6.0.0.0....0.0.6.0.0.0

..0.0.0.0.1.2.0..0.0.4.0.0.0.0..0.2.1.0.0.0.0..0.0.0.0.0.4.0..0.4.0.0.4.0.0

CROSSREFS

Sequence in context: A306335 A195440 A001909 * A292928 A209881 A052852

Adjacent sequences:  A205074 A205075 A205076 * A205078 A205079 A205080

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 21 2012

STATUS

approved

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Last modified October 20 20:13 EDT 2019. Contains 328272 sequences. (Running on oeis4.)