id:A092390 - OEIS Search Results

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a(n) = prime(n) + prime(2n).

+0
1

5, 10, 18, 26, 40, 50, 60, 72, 84, 100, 110, 126, 142, 150, 160, 184, 198, 212, 230, 244, 254, 272, 282, 312, 326, 340, 354, 370, 380, 394, 420, 442, 454, 476, 498, 510, 530, 546, 564, 582, 600, 614, 634, 650, 660, 678, 702, 726, 748, 770, 790, 808, 818, 844 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`a(1) = 5 because p(1)= 2 and p(2) = 3.` `a(2) = 10 because p(2)= 3 and p(4) = 7.` `a(3) = 18 because p(3)= 5 and p(6) = 13.`
	CROSSREFS	`Cf. A000040.` `Equals 2*A087461(n+1) for n>0.` `Sequence in context: A020642 A067253 A048822 this_sequence A035608 A091386 A164004` `Adjacent sequences: A092387 A092388 A092389 this_sequence A092391 A092392 A092393`
	KEYWORD	`nonn,easy`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Apr 03 2004`
	EXTENSIONS	`More terms from Pab Ter (pabrlos(AT)yahoo.com), May 25 2004`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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