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A197935 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,4,2,2,1,0,2 for x=0,1,2,3,4,5,6 0
1, 2, 8, 42, 552, 10409, 368588, 25699381, 2989477610, 641763099077 (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 4's, every 2 is next to 2 2's, every 3 is next to 3 2's, every 4 is next to 4 1's, every 5 is next to 5 0's, every 6 is next to 6 2'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

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

......1.2.2..........0.5.0..........0.5.0..........0.5.0..........0.5.0

.....0.4.1.3........0.0.1.1........1.1.0.0........1.1.0.0........0.0.1.1

....0.1.1.2.2......2.2.1.4.0......1.4.0.2.2......0.4.1.2.2......0.2.2.4.1

...0.5.0.2.6.2....2.6.2.1.2.0....0.2.1.2.6.2....0.2.1.2.6.2....0.2.6.2.1.2

..0.0.0.0.2.2.0..0.2.2.3.2.2.0..0.2.2.3.2.2.0..0.2.2.3.2.2.0..0.0.2.2.3.2.2

CROSSREFS

Sequence in context: A153552 A295199 A191479 * A267619 A012917 A050637

Adjacent sequences:  A197932 A197933 A197934 * A197936 A197937 A197938

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 19 2011

STATUS

approved

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Last modified September 21 08:38 EDT 2020. Contains 337268 sequences. (Running on oeis4.)