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A086944
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a(n) = k where R(k+8) = 5.
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2
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42, 492, 4992, 49992, 499992, 4999992, 49999992, 499999992, 4999999992, 49999999992, 499999999992, 4999999999992, 49999999999992, 499999999999992, 4999999999999992, 49999999999999992, 499999999999999992
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listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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a(n) = 5*10^n - 8.
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PROG
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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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