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A197997 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,3,0,1,2,0,0 for x=0,1,2,3,4,5,6 0
1, 4, 9, 59, 387, 4969, 87553, 2358187, 102676311, 6725836038 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

.......0.2............3.1............0.2............2.0............0.0

......2.2.4..........1.2.2..........2.2.4..........4.2.2..........0.6.0

.....2.0.2.2........2.0.0.0........2.0.2.2........2.2.0.2........2.0.0.0

....1.0.5.0.0......2.0.5.0.0......1.0.5.0.0......0.0.5.0.1......4.2.5.0.2

...3.2.0.0.6.0....0.2.2.0.6.0....3.2.0.0.6.0....0.6.0.0.2.3....2.2.0.0.2.1

..1.1.2.0.0.0.2..0.2.4.2.0.0.0..1.1.2.0.0.0.0..0.0.0.0.2.1.1..0.0.2.2.1.3.1

CROSSREFS

Sequence in context: A152284 A109717 A197859 * A309444 A198178 A013571

Adjacent sequences:  A197994 A197995 A197996 * A197998 A197999 A198000

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 20 2011

STATUS

approved

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Last modified June 20 06:56 EDT 2021. Contains 345157 sequences. (Running on oeis4.)