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A067416
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Ninth column of triangle A067410.
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2
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1, 10, 180, 3240, 58320, 1049760, 18895680, 340122240, 6122200320, 110199605760, 1983592903680, 35704672266240, 642684100792320, 11568313814261760, 208229648656711680, 3748133675820810240
(list;
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refs;
listen;
history;
text;
internal format)
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