id:A097427 - OEIS Search Results

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Integer part of the area of circles with prime radii.

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12, 28, 78, 153, 380, 530, 907, 1134, 1661, 2642, 3019, 4300, 5281, 5808, 6939, 8824, 10935, 11689, 14102, 15836, 16741, 19606, 21642, 24884, 29559, 32047, 33329, 35968, 37325, 40114, 50670, 53912, 58964, 60698, 69746, 71631, 77437, 83468 (list; graph; listen)

	OFFSET	`2,1`
	FORMULA	`Area = Pi*r^2.`
	EXAMPLE	`If D = 3. floor(Pi*9) = 28, the 2-nd entry.`
	PROGRAM	`(PARI) f(n) = forprime(x=1, n, print1(floor(Pi*x^2)", "))`
	CROSSREFS	`Sequence in context: A107707 A126195 A034319 this_sequence A039366 A043189 A043969` `Adjacent sequences: A097424 A097425 A097426 this_sequence A097428 A097429 A097430`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Aug 22 2004`

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

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