id:A116910 - OEIS Search Results

Search: id:A116910

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Numbers n such that n divides number of letters in Roman numeral for n.

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1, 2, 3, 4, 5, 6, 8, 10, 12, 20, 21, 24, 30, 40, 44, 45, 48, 50, 54, 60, 64, 80, 84, 85, 88, 90, 96, 100, 102, 110, 111, 112, 116, 120, 132, 150, 152, 156, 168, 174, 175, 180, 182, 189, 200, 201, 204, 210, 220, 222, 225, 230, 240, 245, 246, 248, 260, 264, 265, 270, 294 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`{k such that k\|A006968(k)}.`
	EXAMPLE	`a(23) = 84 because there are 6 letters in LXXXIV, and 6 divides 84.` `a(44) = 189 because there are 7 letters in CLXXXIX, and 7 divides 189.` `a(56) = 248 because there are 8 letters in CCXLVIII, and 8 divides 248.`
	CROSSREFS	`Cf. A006968.` `Sequence in context: A029747 A095381 A141341 this_sequence A139446 A054961 A141283` `Adjacent sequences: A116907 A116908 A116909 this_sequence A116911 A116912 A116913`
	KEYWORD	`base,easy,fini,nonn,less`
	AUTHOR	`Jonathan Vos Post (jvospost3(AT)gmail.com), Mar 17 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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