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A116227
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n times n+4 gives the concatenation of two numbers m and m-9.
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4
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44, 53, 949949, 979652, 7771781677, 7900890078, 9920892098, 9949999499, 38773083432315, 41534158410840, 47433813119406, 52566186880591, 58465841589157, 61226916567682, 72258945037433, 86156896546723
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OFFSET
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1,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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