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A136963
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Numbers k such that k and k^2 use only the digits 0, 5, 6, 7 and 8.
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1
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0, 76, 760, 766, 7600, 7660, 7666, 76000, 76076, 76600, 76660, 76666, 760000, 760760, 766000, 766600, 766660, 766666, 875076, 7600000, 7607600, 7660000, 7666000, 7666600, 7666660, 7666666, 7668576, 8660766, 8750760, 76000000, 76076000, 76600000, 76655076, 76660000, 76666000, 76666600, 76666660, 76666666, 76685760, 76685766, 86607660
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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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760657656576076^2 = 578600070507807576007575557776.
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CROSSREFS
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KEYWORD
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base,nonn,changed
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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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