id:A077131 - OEIS Search Results

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Sum of odd indexed primes.

+0
3

2, 7, 18, 35, 58, 89, 130, 177, 236, 303, 376, 459, 556, 659, 768, 895, 1032, 1181, 1338, 1505, 1684, 1875, 2072, 2283, 2510, 2743, 2984, 3241, 3510, 3787, 4070, 4377, 4690, 5021, 5368, 5721, 6088, 6467, 6856, 7257, 7676, 8107, 8546, 8995, 9456, 9923 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(2)=7 as p_1=2, p_2=3 and p_3=5, therefore a(2)=p_1+p_3=7`
	PROGRAM	`(PARI) a(n)=if(n<1, 0, sum(k=1, n, prime(2*k-1)))`
	CROSSREFS	`Sequence in context: A107615 A136583 A141631 this_sequence A086741 A051743 A054111` `Adjacent sequences: A077128 A077129 A077130 this_sequence A077132 A077133 A077134`
	KEYWORD	`nonn`
	AUTHOR	`Jon Perry (perry(AT)globalnet.co.uk), Nov 29 2002`

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

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