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A116335
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Numbers k such that k*(k+2) gives the concatenation of two numbers m and m+7.
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4
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7746, 8020, 33294317, 66705682, 98000200, 340465755424, 476452552744, 523547447255, 659534244575, 866013200680, 998000002000, 3695104677080133, 3755782995538767, 4198081170077530, 4803478892324965, 5196521107675034
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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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98000200 * 98000202 = 96040393//96040400, 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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