OFFSET
1,2
COMMENTS
A002963(a(n)) = n. - Reinhard Zumkeller, Apr 14 2013
LINKS
Eric Weisstein's World of Mathematics, Roman Numerals
Wikipedia, Roman numerals
PROG
(Haskell)
a002964 = (+ 1) . fromJust . (`elemIndex` (map a002963 [1..3888]))
-- Reinhard Zumkeller, Apr 14 2013
CROSSREFS
KEYWORD
base,nonn,nice
AUTHOR
EXTENSIONS
More terms from Erich Friedman
For n>13: data corrected and completed up to A002963(3888)=34 by Reinhard Zumkeller, Apr 14 2013
STATUS
approved