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A217243 Number of triangular nXnXn arrays of occupancy after each element moves to some neighbor and with no occupancy greater than 5. 0
0, 7, 182, 22694, 10463914, 18677504990 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A217245

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

.....0........2........2........0........1........0........0........0

....0.4......1.1......1.0......3.1......1.1......1.1......1.2......4.1

...2.1.1....1.1.0....2.2.1....0.1.1....1.3.0....0.5.0....0.1.1....1.1.0

..0.1.1.0..2.0.2.0..0.1.0.1..1.2.1.0..1.1.1.0..1.1.1.0..0.3.1.1..0.1.1.1

CROSSREFS

Sequence in context: A059382 A158620 A217242 * A217244 A152436 A176338

Adjacent sequences:  A217240 A217241 A217242 * A217244 A217245 A217246

KEYWORD

nonn,hard,more

AUTHOR

R. H. Hardin Sep 28 2012

STATUS

approved

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Last modified September 26 15:47 EDT 2021. Contains 347668 sequences. (Running on oeis4.)