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A107285
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5*401*(10^n + 1).
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0
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4010, 22055, 202505, 2007005, 20052005, 200502005, 2005002005, 20050002005, 200500002005, 2005000002005, 20050000002005, 200500000002005, 2005000000002005, 20050000000002005, 200500000000002005
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listen;
history;
text;
internal format)
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OFFSET
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0,1
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COMMENTS
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LINKS
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EXAMPLE
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a(4) = 5*401*10001 = 20052005 = A106605(38).
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MATHEMATICA
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2005(10^Range[0, 20]+1) (* or *) LinearRecurrence[{11, -10}, {4010, 22055}, 20] (* Harvey P. Dale, Sep 06 2016 *)
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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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