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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
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listen;
history;
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internal format)
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n)= A067410(n+8, 8). a(n)= 10*18^(n-1), n>=1, a(0)=1.
G.f. (1-8*x)/(1-18*x).
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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