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A197968 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,5,0,2,2,1,0 for x=0,1,2,3,4,5,6 0
1, 4, 9, 23, 276, 2955, 54623, 1864724, 103400828, 8959767090 (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 5's, every 2 is next to 2 0's, every 3 is next to 3 2's, every 4 is next to 4 2'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..10.

EXAMPLE

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

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

.......2.0............2.0............0.0............1.1............0.0

......4.2.0..........4.2.0..........0.6.0..........1.5.1..........0.6.0

.....2.2.3.0........2.2.3.0........0.0.0.2........0.1.2.0........2.0.0.0

....0.0.0.2.1......0.0.0.2.1......1.1.0.2.3......0.0.0.4.2......4.2.0.1.1

...0.6.0.1.5.1....0.6.0.1.5.1....1.5.2.2.4.2....0.6.0.2.2.0....2.2.3.2.5.1

..0.0.0.2.1.1.0..0.0.0.0.1.1.0..0.1.1.0.2.0.0..0.0.0.2.3.0.0..0.0.0.0.1.1.0

CROSSREFS

Sequence in context: A238832 A192473 A027119 * A319762 A196034 A196037

Adjacent sequences:  A197965 A197966 A197967 * A197969 A197970 A197971

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 19 2011

STATUS

approved

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Last modified January 22 02:46 EST 2022. Contains 350481 sequences. (Running on oeis4.)