id:A109504 - OEIS Search Results

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Chen primes p such that p + 2 is triangular.

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13, 19, 53, 89, 251, 701, 1709, 1889, 2699, 5669, 12401, 13859, 18719, 38501, 49139, 60029, 104651, 114479, 146609, 158201, 188189, 226799, 258119, 371951, 385001, 497501, 597869, 665279, 954269, 1034639, 1159001, 1309769, 1660751, 1869209 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(9)=2699 because it is prime and 2701 = 3773 and 7374/2 = 2701.`
	CROSSREFS	`Cf. A109611.` `Sequence in context: A106903 A098413 A156940 this_sequence A122042 A158332 A090258` `Adjacent sequences: A109501 A109502 A109503 this_sequence A109505 A109506 A109507`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Aug 29 2005`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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