id:A093703 - OEIS Search Results

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Numbers whose reversals in Roman numeral representation are also numbers in Roman numeral representation.

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1, 2, 3, 4, 5, 6, 9, 10, 11, 19, 20, 30, 40, 50, 60, 90, 100, 110, 190, 200, 300, 400, 500, 600, 900, 1000, 1100, 1900, 2000, 3000 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`The sequence contains only values less than 4000, see A078715 for a discussion on the Roman 4M-problem.`
	LINKS	`Stephanus Gibbs, Roman Numeral and Date Conversion` `Gerard Schildberger, The first 3999 numbers in Roman numerals` `Eric Weisstein's World of Mathematics, Roman Numerals`
	EXAMPLE	`40 == XL -> LX == 60, therefore 40 and 60 are terms.`
	CROSSREFS	`Cf. A078715 (palindromic Roman numerals).` `Sequence in context: A137582 A116965 A123054 this_sequence A117073 A063952 A018710` `Adjacent sequences: A093700 A093701 A093702 this_sequence A093704 A093705 A093706`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), May 17 2004`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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