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A204094
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Numbers whose set of base 10 digits is {0,7}.
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11
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0, 7, 70, 77, 700, 707, 770, 777, 7000, 7007, 7070, 7077, 7700, 7707, 7770, 7777, 70000, 70007, 70070, 70077, 70700, 70707, 70770, 70777, 77000, 77007, 77070, 77077, 77700, 77707, 77770, 77777, 700000, 700007, 700070, 700077, 700700, 700707, 700770, 700777
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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FORMULA
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MATHEMATICA
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PROG
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(Haskell)
a204094 n = a204094_list !! n
a204094_list = map (* 7) a007088_list
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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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STATUS
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approved
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