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A162095
Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 5 ones in any row
0
2, 3, 9, 48, 438, 6377, 126669, 3292900, 104320191, 3946694150, 175609255247, 9053540315118, 533880519494913
OFFSET
1,1
CROSSREFS
Sequence in context: A012972 A316916 A162094 * A162096 A162097 A162098
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 25 2009
STATUS
approved