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A198157 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,2,0,0,2,0 for x=0,1,2,3,4,5,6 0
1, 5, 26, 267, 5802, 244365, 19093622, 2937099281, 866588833018, 491355230014545 (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 0'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 2'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..............0..............0..............1

.......0.3............3.0............0.0............0.0............0.3

......0.0.1..........0.0.0..........0.6.0..........0.6.0..........0.0.0

.....0.4.2.2........2.2.0.4........0.0.0.0........0.0.0.0........0.4.2.2

....0.0.2.5.2......2.5.2.0.0......4.0.2.2.2......0.4.2.2.2......0.0.2.5.2

...0.6.0.2.5.2....2.5.2.0.6.0....0.0.2.5.5.2....3.0.2.5.5.2....0.6.0.2.5.2

..0.0.0.0.2.2.0..0.2.2.0.0.0.0..1.3.0.2.2.2.0..1.0.0.2.2.2.0..0.0.0.0.2.2.0

CROSSREFS

Sequence in context: A027529 A041042 A198042 * A048690 A203198 A197784

Adjacent sequences:  A198154 A198155 A198156 * A198158 A198159 A198160

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 21 2011

STATUS

approved

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Last modified January 23 07:38 EST 2022. Contains 350509 sequences. (Running on oeis4.)