id:A128913 - OEIS Search Results

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n*pi(n).

+0
2

0, 2, 6, 8, 15, 18, 28, 32, 36, 40, 55, 60, 78, 84, 90, 96, 119, 126, 152, 160, 168, 176, 207, 216, 225, 234, 243, 252, 290, 300, 341, 352, 363, 374, 385, 396, 444, 456, 468, 480, 533, 546, 602, 616, 630, 644, 705, 720, 735, 750, 765, 780, 848, 864, 880, 896 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Pi(x) = number of primes <= x (see A000720).`
	PROGRAM	`(PARI) g(n) = for(x=1, n, y=x*primepi(x); print1(y", "))`
	CROSSREFS	`Sequence in context: A048133 A135619 A029933 this_sequence A093005 A049818 A066189` `Adjacent sequences: A128910 A128911 A128912 this_sequence A128914 A128915 A128916`
	KEYWORD	`easy,nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)hotmail.com), Apr 23 2007`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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