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A158917
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Emirps using each of the digits 1, 3, 7, 9 at least once, but no others.
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0
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3719, 3917, 7193, 9173, 17393, 17939, 19793, 19973, 31799, 37199, 37991, 39371, 39791, 71399, 79319, 91397, 93971, 99173, 99317, 99713, 113797, 117193, 119773, 131797, 133379, 137993, 139397, 171937, 177319, 179173, 179939, 191137, 191173, 193337, 193799, 193937, 199337, 199739
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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137993, 171937, 179939 etc. inserted by R. J. Mathar, Apr 04 2009
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STATUS
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approved
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