id:A163637 - OEIS Search Results

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The sum of all odd numbers from 2n-1 to prime(n).

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1, 3, 5, 7, 20, 24, 45, 51, 80, 144, 156, 240, 297, 315, 380, 504, 644, 672, 832, 935, 969, 1159, 1280, 1496, 1825, 1976, 2028, 2187, 2241, 2408, 3196, 3395, 3737, 3811, 4469, 4551, 4945, 5355, 5612, 6048, 6500, 6600, 7452, 7560, 7865, 7975, 9120, 10335, 10692 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)= A005408(n-1)+A005408(n)+...+A000040(n).` `a(n)= (A006254(n-1))^2-A000079(n-1), n>1. - R. J. Mathar, Aug 11 2009`
	EXAMPLE	`a(5)=9+11=20. a(6)=11+13=24. a(7)=15+17+19=45.`
	CROSSREFS	`Cf. A000040, A005408.` `Sequence in context: A154526 A126144 A072002 this_sequence A084424 A137978 A155780` `Adjacent sequences: A163634 A163635 A163636 this_sequence A163638 A163639 A163640`
	KEYWORD	`nonn,easy`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Aug 02 2009`
	EXTENSIONS	`Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 11 2009`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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