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A136869
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Numbers k such that k and k^2 use only the digits 0, 1, 5, 6 and 7.
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1
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0, 1, 10, 76, 100, 760, 1000, 1076, 7551, 7600, 10000, 10760, 75510, 76000, 100000, 107600, 107776, 707501, 751666, 755100, 760000, 1000000, 1005076, 1076000, 1077551, 1077760, 1077776, 7075010, 7177051, 7516660, 7551000, 7557551, 7600000, 10000000, 10007551, 10050760, 10760000, 10775510, 10777551, 10777600, 10777760, 70750100
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listen;
history;
text;
internal format)
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OFFSET
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1,3
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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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751705767011076^2 = 565061560157710075150706677776.
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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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