A166874 - OEIS

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A166874

Numbers with vertical symmetry when expressed as Roman numerals.

1, 2, 3, 5, 10, 19, 20, 30, 1000, 2000, 3000 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..11.`
	CROSSREFS	`Sequence in context: A237250 A283314 A078715 * A046630 A177874 A293353` `Adjacent sequences: A166871 A166872 A166873 * A166875 A166876 A166877`
	KEYWORD	`nonn`
	AUTHOR	`Claudio Meller, Oct 22 2009`
	EXTENSIONS	`Edited by N. J. A. Sloane, Oct 25 2009`
	STATUS	`approved`

Last modified February 23 02:29 EST 2019. Contains 320411 sequences. (Running on oeis4.)