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A116194
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Numbers k such that k concatenated with k+5 gives the product of two numbers which differ by 6.
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5
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1, 2, 10, 47, 550, 802, 570035, 623387, 1327222, 4041011, 8252210, 164398539591831062, 173868055738777586, 339918283297349107, 353476744122425611, 846974882088186070, 868300386379144450
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OFFSET
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1,2
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LINKS
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EXAMPLE
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8252210//8252215 = 9084165 * 9084171, 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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