id:A109875 - OEIS Search Results

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Chen primes p such that their p + 2 counterpart is a golden semiprime.

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13, 587, 1361, 15227, 118967, 337721, 383267, 512891, 1027331, 1780151, 2303681, 8200391, 9310517, 14666579 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Conjecture: sequence is infinite.`
	EXAMPLE	`a(3)=1361 because it is prime and 1363 = 2947 and abs(29phi - 47) =` `0.07701... < 1.`
	CROSSREFS	`Cf. A109611, A108540.` `Adjacent sequences: A109872 A109873 A109874 this_sequence A109876 A109877 A109878` `Sequence in context: A096761 A076461 A142210 this_sequence A067407 A143734 A068232`
	KEYWORD	`more,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Aug 31 2005`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.