login
A166211
Number of nXnXn triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= 16
1
1, 17, 6, 30, 1207, 8387, 211677, 34490146, 884190706, 123191992504
OFFSET
0,2
CROSSREFS
Sequence in context: A243933 A145965 A040276 * A086763 A064545 A114032
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 09 2009
STATUS
approved