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A207155 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,5,2,0,0,1,0 for x=0,1,2,3,4,5,6 0
1, 2, 11, 106, 1899, 64973, 4349876, 549052024, 133443751524, 62140758790253 (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 2's, every 3 is next to 3 0'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..10.

EXAMPLE

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

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

.......2.2............3.3............0.0............2.2............3.0

......0.0.0..........0.0.0..........0.0.4..........3.0.0..........0.2.2

.....0.6.0.0........0.0.2.2........0.6.0.0........0.0.6.0........4.0.2.1

....3.0.0.1.1......0.6.0.2.1......2.0.0.3.1......1.3.0.0.3......0.0.1.5.1

...0.4.2.2.5.1....4.0.0.1.5.1....2.2.4.1.5.1....1.5.1.4.0.3....0.6.0.1.1.2

..0.0.0.2.1.1.0..0.0.0.0.1.1.0..0.0.0.0.1.1.0..0.1.1.0.3.0.0..0.0.0.0.0.2.2

CROSSREFS

Sequence in context: A088690 A118805 A198001 * A292566 A053988 A141314

Adjacent sequences: A207152 A207153 A207154 * A207156 A207157 A207158

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 15 2012

STATUS

approved

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Last modified November 28 12:20 EST 2022. Contains 358416 sequences. (Running on oeis4.)