id:A057872 - OEIS Search Results

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A version of the Chebyshev function theta(n): a(n) = round(Sum_{primes p <= n } log(p)).

+0
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0, 1, 2, 2, 3, 3, 5, 5, 5, 5, 8, 8, 10, 10, 10, 10, 13, 13, 16, 16, 16, 16, 19, 19, 19, 19, 19, 19, 23, 23, 26, 26, 26, 26, 26, 26, 30, 30, 30, 30, 33, 33, 37, 37, 37, 37, 41, 41, 41, 41, 41, 41, 45, 45, 45, 45, 45, 45, 49, 49, 53, 53, 53, 53, 53, 53, 57, 57, 57, 57, 62, 62, 66, 66, 66, 66 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`See A035158, which is the main entry for this function.` `The old entry with this sequence number was a duplicate of A053632.`
	CROSSREFS	`Adjacent sequences: A057869 A057870 A057871 this_sequence A057873 A057874 A057875` `Sequence in context: A139807 A033302 A072729 this_sequence A059974 A045767 A108221`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 02 2008`

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

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