id:A132349 - OEIS Search Results

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If n is a k-th power with k >= 2 then a(n) = k, otherwise a(n) = 0.

+0
3

0, 0, 0, 2, 0, 0, 0, 3, 2, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 0, 0, 0, 5, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 (list; graph; listen)

	OFFSET	`1,4`
	PROGRAM	`(PARI) r(n) = for(j=1, n, print1(ispower(j)", ")); r(100)`
	CROSSREFS	`Cf. A132384-A132352.` `Sequence in context: A046268 A113503 A082507 this_sequence A123391 A076260 A135416` `Adjacent sequences: A132346 A132347 A132348 this_sequence A132350 A132351 A132352`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 11 2007`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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