id:A083060 - OEIS Search Results

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a(n) is the number of natural numbers k such that A078496(k)=prime(n), where prime(n) denotes the n-th prime.

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1, 2, 3, 2, 3, 3, 3, 3, 5, 3, 5, 4, 3, 4, 3, 6, 4, 5, 4, 4, 5, 4, 6 (list; graph; listen)

	OFFSET	`3,2`
	FORMULA	`n>2 integer; a(n)=#{k: k>3 integer; A078496(k)=prime(n)}`
	EXAMPLE	`a(3)=1 since there is only k=4 for A078496(k)=prime(3)=5` `a(8)=3 since there is only k=13,16,18 for A078496(k)=prime(8)=19`
	CROSSREFS	`Cf. A078496.` `Adjacent sequences: A083057 A083058 A083059 this_sequence A083061 A083062 A083063` `Sequence in context: A086063 A026263 A080098 this_sequence A102351 A078173 A129759`
	KEYWORD	`easy,nonn`
	AUTHOR	`Serhat Sevki Dincer (sevki(AT)ug.bilkent.edu.tr), Apr 18 2003`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.