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A093783
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Sum of digits of n in Roman numeral representation.
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3
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1, 2, 3, 6, 5, 6, 7, 8, 11, 10, 11, 12, 13, 16, 15, 16, 17, 18, 21, 20, 21, 22, 23, 26, 25, 26, 27, 28, 31, 30, 31, 32, 33, 36, 35, 36, 37, 38, 41, 60, 61, 62, 63, 66, 65, 66, 67, 68, 71, 50, 51, 52, 53, 56, 55, 56, 57, 58, 61, 60, 61, 62, 63, 66, 65, 66, 67, 68
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 1..3999
Stephanus Gibbs, Roman Numeral and Date Conversion
Eric Weisstein's World of Mathematics, Roman Numerals
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EXAMPLE
| n=42 == XLII: a(42) = 'X' + 'L' + 'I' + 'I' = 10+50+1+1 = 62.
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MAPLE
| A093783 := proc(n) local r: r:=convert(n, roman): return add(convert(r[j], arabic), j=1..length(r)): end: seq(A093783(n), n=1..68); # Nathaniel Johnston, May 18 2011
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CROSSREFS
| Cf. A007953, A057226, A006968.
Sequence in context: A137761 A100769 A023889 * A096861 A118738 A175067
Adjacent sequences: A093780 A093781 A093782 * A093784 A093785 A093786
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KEYWORD
| nonn,easy,base
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AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 17 2004
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