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A136940
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Numbers k such that k and k^2 use only the digits 0, 3, 5, 7 and 9.
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1
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0, 3, 30, 300, 3000, 5753, 9503, 30000, 57530, 75503, 95030, 300000, 550503, 575300, 755030, 950300, 995003, 3000000, 5505030, 5753000, 7550300, 9503000, 9950030, 30000000, 30909503, 55050300, 57530000, 73073753, 75503000, 95030000, 95390753, 99500300, 99950003, 300000000, 309095030, 550503000, 575300000, 577907753, 730737530
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OFFSET
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1,2
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COMMENTS
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Generated with DrScheme.
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LINKS
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EXAMPLE
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579309390909503^2 = 335599370395939357093535707009.
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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STATUS
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approved
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