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A197961 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,2,1,1,1,1,0 for x=0,1,2,3,4,5,6 0
1, 4, 22, 186, 6317, 175347, 15968369, 2419381757, 643839941494 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

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

.......1.1............0.0............0.0............1.1............0.0

......1.5.1..........0.6.0..........0.6.0..........1.4.1..........0.6.0

.....2.3.1.2........2.0.0.1........2.0.0.2........0.2.0.2........2.0.0.2

....0.1.0.0.0......1.1.0.2.1......1.1.3.1.1......0.0.1.3.1......1.1.3.1.1

...2.4.1.0.6.0....1.5.1.2.4.1....0.1.5.1.4.1....0.6.0.1.5.1....1.5.3.1.4.1

..1.1.1.2.0.0.0..0.2.1.3.1.1.2..0.2.1.1.2.2.1..0.0.0.2.1.1.2..2.1.1.2.0.2.1

CROSSREFS

Sequence in context: A235329 A220231 A112370 * A203120 A002728 A062494

Adjacent sequences:  A197958 A197959 A197960 * A197962 A197963 A197964

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 19 2011

STATUS

approved

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Last modified November 27 20:49 EST 2021. Contains 349395 sequences. (Running on oeis4.)