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A115532
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Numbers k such that k^2 is the concatenation of two numbers m and 3*m.
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0
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2857142857142857142857142857142858, 4285714285714285714285714285714287, 5714285714285714285714285714285716, 19354838709677419354838709677419354838709677419354838709678
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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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