id:A076292 - OEIS Search Results

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Perfect powers with square-free root.

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1, 4, 8, 9, 16, 25, 27, 32, 36, 49, 64, 81, 100, 121, 125, 128, 169, 196, 216, 225, 243, 256, 289, 343, 361, 441, 484, 512, 529, 625, 676, 729, 841, 900, 961, 1000, 1024, 1089, 1156, 1225, 1296, 1331, 1369, 1444, 1521, 1681, 1764, 1849, 2048, 2116, 2187 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`A025478(a(n)) = A007947(a(n)).`
	EXAMPLE	`A001597(17) = 144 = (3*2^2)^2 is not a term.`
	CROSSREFS	`Cf. A001597, A025478, A005117, A007947.` `Cf. A072777. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 21 2008]` `Sequence in context: A157985 A001597 A072777 this_sequence A090516 A090515 A075309` `Adjacent sequences: A076289 A076290 A076291 this_sequence A076293 A076294 A076295`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 06 2002`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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