id:A163061 - OEIS Search Results

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Sum of the first n primes plus the first n nonprimes.

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2, 6, 15, 28, 47, 69, 96, 127, 164, 208, 255, 310, 371, 435, 504, 581, 665, 752, 846, 945, 1048, 1159, 1275, 1398, 1530, 1667, 1808, 1954, 2103, 2258, 2429, 2605, 2788, 2975, 3173, 3374, 3582, 3797, 4018, 4246, 4481, 4719, 4968, 5221, 5480, 5742 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=A007504(n)+A051349(n-1).`
	EXAMPLE	`a(1)=2+0=2. a(2)=5+1=6. a(3)=10+5=15. a(4)=17+11=28. a(5)=28+19=47. a(6)=41+28=69. a(7)=58+38=96.`
	CROSSREFS	`Cf. A000040, A141468, A007504, A051349.` `Sequence in context: A153274 A091766 A138621 this_sequence A033286 A098651 A087427` `Adjacent sequences: A163058 A163059 A163060 this_sequence A163062 A163063 A163064`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jul 21 2009`
	EXTENSIONS	`Formula index corrected, 1119 replaced by 1159 - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 27 2009`

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.

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