id:A095874 - OEIS Search Results

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If n = k-th prime power then k else 0.

+0
7

1, 2, 3, 4, 5, 0, 6, 7, 8, 0, 9, 0, 10, 0, 0, 11, 12, 0, 13, 0, 0, 0, 14, 0, 15, 0, 16, 0, 17, 0, 18, 19, 0, 0, 0, 0, 20, 0, 0, 0, 21, 0, 22, 0, 0, 0, 23, 0, 24, 0, 0, 0, 25, 0, 0, 0, 0, 0, 26, 0, 27, 0, 0, 28, 0, 0, 29, 0, 0, 0, 30, 0, 31, 0, 0, 0, 0, 0, 32, 0, 33, 0, 34, 0, 0, 0, 0, 0, 35, 0 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = Sum(A010055(n): 1<=k<=n);` `a(n) = A065515(n)*(A065515(n)-A065515(n-1)).`
	CROSSREFS	`Cf. A000961, A049084.` `Sequence in context: A030567 A049265 A010875 this_sequence A063972 A063973 A126441` `Adjacent sequences: A095871 A095872 A095873 this_sequence A095875 A095876 A095877`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 10 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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