id:A080258 - OEIS Search Results

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Either 4-th power of a prime, or product of a prime and the square of a different prime.

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12, 16, 18, 20, 28, 44, 45, 50, 52, 63, 68, 75, 76, 81, 92, 98, 99, 116, 117, 124, 147, 148, 153, 164, 171, 172, 175, 188, 207, 212, 236, 242, 244, 245, 261, 268 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Union of A030514 and A054753; A080256(a(n)) = 5.`
	EXAMPLE	`81=3333 and 50=25*5 are a terms.`
	CROSSREFS	`Cf. A007964, A058080, A001221, A001222, A006881, A030078.` `Sequence in context: A058080 A119911 A064499 this_sequence A054290 A107308 A051518` `Adjacent sequences: A080255 A080256 A080257 this_sequence A080259 A080260 A080261`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 10 2003`

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Last modified September 5 23:56 EDT 2008. Contains 143485 sequences.

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