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Search: id:A094109
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| A094109 |
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Start with "I" in Roman numerals (one). The next number (in Roman numerals) describes the number of Roman numerals written previously in the sequence. Convert this infinite sequence into an infinite sequence of Arabic numbers. |
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+0
1
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| 1, 1, 2, 4, 6, 8, 12, 15, 17, 21, 24, 28, 34, 39, 44, 48, 54, 57, 61, 64
(list; graph; listen)
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OFFSET
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1,3
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EXAMPLE
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The sequence begins I, I, II, IV, VI, VIII, XII, XV, XVII, XXI, XXIV, XXVIII, XXXIV, XXIX, XLIII, XLVIII, LIV, LVII, LXI, LXIV, ...
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CROSSREFS
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See A006968 for how to spell the Roman numerals.
Sequence in context: A100195 A131197 A078327 this_sequence A090404 A058825 A087086
Adjacent sequences: A094106 A094107 A094108 this_sequence A094110 A094111 A094112
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KEYWORD
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nonn,base
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), May 03 2004
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