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A065004
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100 written in base n, or -1 if the representation requires digits outside of 0 to 9.
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2
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1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111, 1100100, 10201, 1210, 400, 244, 202, 144, 121, 100, 91, 84, 79, 72, -1, 64, -1, -1, 55, 50, -1, -1, 48, 44, 40, -1, -1, -1, -1, -1, 37, 34, 31, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 28, 26, 24, 22, 20, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10
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OFFSET
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1,1
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COMMENTS
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The term 111....1111 should officially be called the "unary expansion", since in base 1 only the digit 0 may appear.
Terms exist for some bases up to 100. - T. D. Noe, Mar 09 2012
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LINKS
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MATHEMATICA
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Table[s = IntegerDigits[100, n]; If[Max[s] > 9, -1, FromDigits[s]], {n, 2, 100}] (* T. D. Noe, Mar 09 2012 *)
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CROSSREFS
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KEYWORD
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base,less,sign,fini,full
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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