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A142958 Roman numerals containing three letters (i.e. III, VII, XII, XIV...). +0
1
3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, 91, 95, 102, 104, 106, 109, 111, 115, 120, 140, 151, 155, 160, 190, 201, 205, 210, 250, 300, 401, 405, 410, 450, 502, 504, 506, 509, 511, 515, 520, 540, 551, 555, 560, 590, 601, 605, 610, 650 (list; graph; listen)
OFFSET

1,1

REFERENCES

Mentioned here: http://www.ronbarnette.com/Zeno/result56.htm

LINKS

Gerard Schildberger, The first 3999 numbers in Roman numerals.

MATHEMATICA

(* go to the hyper link and assign the first 700 Roman numerals to the variable 'lst' so that lst = {I, II, III, ..., DCXCVIII, DCXCIX, DCC} and then *) Select[ Range[2, 1000], StringLength@ SymbolName@ lst[[ # ]] == 3 &] - Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 12 2008

CROSSREFS

Sequence in context: A024614 A045134 A081695 this_sequence A062731 A083031 A022805

Adjacent sequences: A142955 A142956 A142957 this_sequence A142959 A142960 A142961

KEYWORD

base,nonn

AUTHOR

David Bodycombe (davidbod(AT)hotmail.com), Jul 12 2008

EXTENSIONS

More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 12 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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