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A203200 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,0,0,0,1,0,0 for x=0,1,2,3,4,5,6 0
1, 7, 39, 437, 8925, 305779, 18569865, 1972604754, 365315073334, 118431758924590 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

.......2.1............0.3............0.0............0.0............3.2

......0.1.4..........0.0.0..........0.0.0..........0.0.0..........0.0.3

.....2.3.1.1........0.0.6.0........0.6.0.0........0.0.5.0........0.6.0.0

....3.0.0.3.0......2.3.0.0.0......3.0.0.3.1......1.2.3.0.0......0.0.0.3.1

...0.0.6.0.5.0....0.1.1.3.5.0....2.0.5.2.4.1....1.4.2.0.6.0....3.5.0.3.4.1

..1.3.0.0.0.0.2..1.1.4.1.0.0.2..0.3.0.0.1.1.0..0.1.1.0.0.0.0..0.0.0.0.1.1.0

CROSSREFS

Sequence in context: A035357 A207152 A135059 * A165700 A249635 A164135

Adjacent sequences:  A203197 A203198 A203199 * A203201 A203202 A203203

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 30 2011

STATUS

approved

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Last modified June 17 00:17 EDT 2021. Contains 345080 sequences. (Running on oeis4.)