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A136883
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Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 6.
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1
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0, 2, 6, 20, 60, 200, 206, 600, 602, 2000, 2006, 2060, 6000, 6002, 6020, 6344, 20000, 20006, 20060, 20600, 20602, 60000, 60002, 60020, 60200, 63440, 200000, 200006, 200060, 200600, 206000, 206020, 600000, 600002, 600020, 600200, 602000, 603606, 634400, 2000000, 2000006, 2000060, 2000600, 2006000, 2006002, 2060000, 2060200, 2462442
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listen;
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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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603626236343602^2 = 364364633202342060002206334404.
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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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