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A118639
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Smallest number expressible using the next Roman-numeral symbol.
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0
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1, 4, 9, 40, 90, 400, 900, 4000, 9000, 40000, 90000, 400000, 900000
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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EXAMPLE
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a(2) = IV (first usage of V);
a(4) = XL (first usage of L).
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CROSSREFS
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KEYWORD
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easy,nonn,base,fini,full
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AUTHOR
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STATUS
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approved
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