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A166224 Number of 16X16X16 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n 1
1, 27376, 166762668, 342881668736, 219536965840260, 59492448257857640 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..5.

CROSSREFS

Sequence in context: A168215 A224626 A237296 * A187533 A321159 A236503

Adjacent sequences:  A166221 A166222 A166223 * A166225 A166226 A166227

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 09 2009

STATUS

approved

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Last modified July 5 14:54 EDT 2022. Contains 355099 sequences. (Running on oeis4.)