id:A084371 - OEIS Search Results

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Square-free kernels of powerful numbers (A001694).

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1, 2, 2, 3, 2, 5, 3, 2, 6, 7, 2, 6, 3, 10, 6, 11, 5, 2, 6, 13, 14, 10, 6, 15, 3, 2, 6, 17, 6, 7, 19, 14, 10, 6, 21, 22, 10, 2, 23, 6, 5, 6, 15, 26, 3, 14, 10, 29, 6, 30, 31, 22, 6, 10, 2, 33, 15, 6, 34, 35, 6, 21, 11, 26, 37, 14, 38, 39, 14, 10, 41, 6, 42, 30, 43, 22, 6, 10 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = A007947(A001694(n)).`
	EXAMPLE	`A001694(11) = 64 = 2^6 -> a(11) = 2,` `A001694(12) = 72 = 2^3 * 3^2 -> a(12) = 2*3 = 6,` `A001694(13) = 81 = 3^4 -> a(13) = 3.`
	CROSSREFS	`Sequence in context: A076403 A157987 A025478 this_sequence A025476 A078773 A151663` `Adjacent sequences: A084368 A084369 A084370 this_sequence A084372 A084373 A084374`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 23 2003`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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