id:A073882 - OEIS Search Results

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Number of primes between n and n^2.

+0
4

0, 2, 3, 4, 7, 8, 12, 14, 18, 21, 26, 29, 34, 38, 42, 48, 55, 59, 65, 70, 77, 84, 91, 96, 105, 113, 120, 128, 137, 144, 152, 161, 170, 180, 189, 199, 208, 216, 228, 239, 251, 261, 270, 281, 292, 305, 315, 327, 342, 352, 363, 378, 394, 405, 418, 429, 441, 458, 471 (list; graph; listen)

	OFFSET	`1,2`
	PROGRAM	`(PARI) a(n)=sum(k=n, n^2, isprime(k))`
	CROSSREFS	`Sequence in context: A078662 A050048 A122456 this_sequence A015840 A051213 A066847` `Adjacent sequences: A073879 A073880 A073881 this_sequence A073883 A073884 A073885`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 16 2002`
	EXTENSIONS	`Corrected and extended by Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 20 2002`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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