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A166188
Number of n X n X n triangular nonnegative integer arrays with all sums of an element and its neighbors <= 16.
0
1, 17, 969, 97329, 118924069, 666626536184
OFFSET
0,2
CROSSREFS
Sequence in context: A196873 A262386 A298302 * A274548 A266860 A221299
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 09 2009
STATUS
approved