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A091883
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Expansion of (1-5x)/((1+5x)(1-10x)).
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1
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1, 0, 50, 250, 3750, 31250, 343750, 3281250, 33593750, 332031250, 3339843750, 33300781250, 333496093750, 3332519531250, 33337402343750, 333312988281250, 3333435058593750, 33332824707031250, 333335876464843750
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OFFSET
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0,3
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COMMENTS
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A091903(n)=a(n+1)/50. a(n)/a(n+1)->1/10.
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LINKS
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FORMULA
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a(n)=10^n/3+2(-5)^n/3.
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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