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A197967 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,3,1,1,0,1,0 for x=0,1,2,3,4,5,6 0
1, 1, 28, 167, 3844, 426779, 37344901, 8439505401, 5879090124513 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Every 0 is next to 0 5's, every 1 is next to 1 3's, every 2 is next to 2 1's, every 3 is next to 3 1'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..9.

EXAMPLE

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

........1..............1..............0..............1..............0

.......3.1............3.1............0.2............1.3............4.0

......1.5.1..........1.5.1..........0.1.1..........1.5.1..........0.0.1

.....0.1.1.3........1.1.1.3........0.0.3.0........3.1.1.0........0.6.0.3

....1.3.0.0.1......2.3.0.0.1......0.6.0.1.1......1.0.0.3.1......0.0.0.1.1

...2.1.0.6.0.0....0.1.0.6.0.0....4.0.0.1.5.3....0.0.6.0.1.2....0.1.3.1.5.1

..0.0.0.0.0.4.0..0.0.0.0.0.4.0..0.0.1.3.1.1.1..0.4.0.0.0.0.0..0.2.1.0.1.3.1

CROSSREFS

Sequence in context: A220158 A085377 A219298 * A305270 A129136 A042528

Adjacent sequences:  A197964 A197965 A197966 * A197968 A197969 A197970

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 19 2011

STATUS

approved

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Last modified May 19 18:35 EDT 2022. Contains 353847 sequences. (Running on oeis4.)