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A136964
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Numbers k such that k and k^2 use only the digits 0, 5, 6, 7 and 9.
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1
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0, 76, 760, 7076, 7600, 70760, 76000, 707600, 759576, 760000, 997976, 7076000, 7595760, 7600000, 9977976, 9979760, 70760000, 75957600, 76000000, 97979976, 99779760, 99797600, 99979976, 707600000, 759576000, 760000000, 979799760, 997797600, 997976000, 999799760, 7076000000, 7595760000, 7596050076, 7596057576, 7600000000
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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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759590679050676^2 = 576977999700667075500576056976.
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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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