A072847 - OEIS

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A072847

The a(n)-th highly-composite number (A002182) is the first one divisible by 2^n.

2, 3, 6, 8, 21, 23, 50, 105, 143, 221, 634, 770, 1197 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`First occurrence of n in A112779. - Lekraj Beedassy (blekraj(AT)yahoo.com), Sep 02 2006`
	EXAMPLE	`a(10) = 221 because the 221st highly-composite number (1487541362038078419072000) is divisible by 2^10.`
	CROSSREFS	`Cf. A002182.` `Cf. A068506.` `Sequence in context: A110448 A064450 A130623 * A095895 A051934 A153915` `Adjacent sequences: A072844 A072845 A072846 * A072848 A072849 A072850`
	KEYWORD	`nonn`
	AUTHOR	`Don Reble (djr(AT)nk.ca), Jul 24 2002`

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Last modified February 15 13:49 EST 2012. Contains 205810 sequences.