id:A080101 - OEIS Search Results

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Number of prime powers in all composite numbers between n-th prime and next prime.

+0
3

0, 1, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0 (list; graph; listen)

	OFFSET	`1,4`
	EXAMPLE	`There are two prime powers between 2179=A000040(327) and 2203=A000040(328): 2187=3^7 and 2197=13^3, therefore a(327)=2, A080102(327)=2187 and A080103(327)=2197.`
	CROSSREFS	`Cf. A080102, A080103, A025475, A000961.` `Adjacent sequences: A080098 A080099 A080100 this_sequence A080102 A080103 A080104` `Sequence in context: A078979 A063974 A144628 this_sequence A025895 A104451 A106602`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 28 2003`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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