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Search: id:A036746
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| A036746 |
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Numbers with "long" representations in Roman notation: given by last n letters from ...MMMDCCCLXXXVIII. |
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+0
2
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| 1, 2, 3, 8, 18, 28, 38, 88, 188, 288, 388, 888, 1888, 2888, 3888
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Gerard Schildberger, The first 3999 numbers in Roman numerals.
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MATHEMATICA
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(* go to the hyper link and assing the 3999 Roman numerals to the variable 'lst' so that lst = {I, II, III, ... MMMCMXCVII, MMMCMXCVIII, MMMCMXCIX} and then *) f[1] = 1; f[n_] := Block[{k = 2}, While[ StringLength@ SymbolName@ lst[[k]] != n, k++ ]; k]; Array[f, 15] - Checked by Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 13 2008
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CROSSREFS
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Adjacent sequences: A036743 A036744 A036745 this_sequence A036747 A036748 A036749
Sequence in context: A009207 A096254 A091765 this_sequence A129955 A034066 A034076
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KEYWORD
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nonn,base
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AUTHOR
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John Conway (conway(AT)math.princeton.edu)
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EXTENSIONS
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Checked by Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 13 2008
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