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A116330
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Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+6.
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5
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4, 85, 76982, 714689, 952313, 90438190, 96320543, 32980078899028, 34346653774237, 42816188292272, 42881990066487, 57118009933511, 57183811707726, 65653346225761, 67019921100970, 81321742742209
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OFFSET
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1,1
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LINKS
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EXAMPLE
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96320543 * 96320546 = 92776472//92776478, where // denotes concatenation.
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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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