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A166195
Number of 9X9X9 triangular nonnegative integer arrays with all sums of an element and its neighbors <= n
0
1, 57523, 509035046, 1004833436277, 654788462119153
OFFSET
0,2
CROSSREFS
Sequence in context: A340434 A352244 A233643 * A031861 A119887 A188256
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 09 2009
STATUS
approved