id:A057226 - OEIS Search Results

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Number of different symbols needed to express n as a Roman numeral.

+0
3

1, 1, 1, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 3, 2, 3, 3, 3, 2, 1, 2, 2, 2, 3, 2, 3, 3, 3, 2, 1, 2, 2, 2, 3, 2, 3, 3, 3, 2, 2, 3, 3, 3, 4, 3, 4, 4, 4, 3, 1, 2, 2, 2, 3, 2, 3, 3, 3, 3, 2, 3, 3, 3, 4, 3, 4, 4, 4, 3, 2, 3, 3, 3, 4, 3, 4, 4, 4, 3, 2, 3, 3, 3, 4, 3, 4, 4, 4, 3, 2, 3, 3, 3, 4, 3, 4, 4, 4, 3, 1 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`Sequence created using classic Roman numerals, i.e. 99 = XCIX, not the questionable IC.`
	EXAMPLE	`a(97) = 4 as you need I, V, X and C to express XCVII`
	CROSSREFS	`Sequence in context: A043531 A043556 A163367 this_sequence A073810 A055255 A057768` `Adjacent sequences: A057223 A057224 A057225 this_sequence A057227 A057228 A057229`
	KEYWORD	`easy,nonn`
	AUTHOR	`Helge T. Blohmer (crusher(AT)k-town.de), Sep 19 2000`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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