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A166219 Number of 11X11X11 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n 1
1, 146, 10515, 444424, 10091912, 153952919, 1770255356, 15702838676, 113781268522, 703336933599, 3763253632418, 17832789481005, 76408068978456 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..12.

CROSSREFS

Sequence in context: A183654 A183653 A231243 * A097728 A172877 A172911

Adjacent sequences:  A166216 A166217 A166218 * A166220 A166221 A166222

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 09 2009

STATUS

approved

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Last modified October 5 06:51 EDT 2022. Contains 357252 sequences. (Running on oeis4.)