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A162032
Number of n X n symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and all but the outermost 6 rows or columns zero
1
10047909839840456, 4135500013015675194, 1525840087572037076878, 524023138099376542650471, 167845700873331480283609254, 50295945454485891799507352453, 14146448691247913222947833130009
OFFSET
12,1
LINKS
CROSSREFS
Sequence in context: A274810 A329948 A160405 * A373560 A141621 A095432
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 25 2009
STATUS
approved