id:A066638 - OEIS Search Results

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Smallest power of a square-free number which is a multiple of n.

+0
2

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 13, 14, 15, 16, 17, 36, 19, 100, 21, 22, 23, 216, 25, 26, 27, 196, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 1000, 41, 42, 43, 484, 225, 46, 47, 1296, 49, 100, 51, 676, 53, 216, 55, 2744, 57, 58, 59 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 1..1000`
	FORMULA	`a(n) = sfk(n)^mpe(n), (sfk=A007947, mpe=A051903).`
	EXAMPLE	`a(40)=10^3 > 40 > 10=sfk(40).`
	CROSSREFS	`Cf. A005117.` `Sequence in context: A132030 A161949 A004851 this_sequence A062279 A088599 A004862` `Adjacent sequences: A066635 A066636 A066637 this_sequence A066639 A066640 A066641`
	KEYWORD	`nonn,nice`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 09 2002`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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