id:A118639 - OEIS Search Results

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Smallest number expressible using the next Roman-numeral symbol.

+0
1

1, 4, 9, 40, 90, 400, 900, 4000, 9000, 40000, 90000, 400000, 900000 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(2) = IV (first usage of V);` `a(4) = XL (first usage of L).`
	CROSSREFS	`Cf. A123457.` `Sequence in context: A149157 A149158 A142239 this_sequence A149159 A149160 A149161` `Adjacent sequences: A118636 A118637 A118638 this_sequence A118640 A118641 A118642`
	KEYWORD	`easy,nonn`
	AUTHOR	`Greg Huber (huber(AT)alum.mit.edu), May 09 2006`

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.