A160513 - OEIS

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A160513

Positive squarefree integers n such that, if n is the m-th squarefree integer (i.e., the m-th term of A005117), then n is also the m-th term of A000961 (the prime powers).

1, 2, 3, 7, 17, 19 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Is this sequence complete?` `1 here is considered to be both the first squarefree integer and the first power of a prime.`
	LINKS	`Table of n, a(n) for n=1..6.`
	CROSSREFS	`Cf. A000961, A005117.` `Sequence in context: A141795 A077322 A174359 * A154431 A256917 A089144` `Adjacent sequences: A160510 A160511 A160512 * A160514 A160515 A160516`
	KEYWORD	`fini,more,nonn`
	AUTHOR	`Leroy Quet, May 16 2009`
	EXTENSIONS	`Definition rewritten by N. J. A. Sloane, May 21 2009`
	STATUS	`approved`

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Last modified August 16 11:20 EDT 2017. Contains 290623 sequences.