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A137124
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Numbers k such that k and k^2 use only the digits 3, 4, 5, 7 and 8.
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1
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88, 588, 888, 7378, 7588, 8588, 74388, 88588, 738538, 743878, 745478, 747378, 758588, 5878388, 7338588, 7448878, 7573538, 8878878, 57843538, 73385888, 73877438, 73883588, 75745478, 75784878, 88534388, 578573538, 733878388, 757544438, 7384753588, 7575344438, 7587775588, 8575883388, 57773588588, 73738374388, 74534384538
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OFFSET
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1,1
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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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857585875778388^2 = 735453534334584733744887878544.
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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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