id:A088708 - OEIS Search Results

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Numbers n which are a product of two primes j and k such that n+j-k and n-j+k are both primes.

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6, 10, 15, 22, 57, 85, 87, 142, 187, 217, 235, 267, 274, 295, 339, 382, 505, 565, 579, 589, 667, 694, 799, 835, 849, 862, 889, 922, 1059, 1111, 1159, 1317, 1339, 1555, 1569, 1797, 1969, 1977, 2122, 2182, 2217, 2227, 2229, 2245, 2319, 2335, 2359, 2497, 2577 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(10)=217 because 217 has only one pair of prime factors (7 and 31), and both 217+7-31 and 217-7+31 (193 and 241) are primes.`
	CROSSREFS	`Cf. A001358.` `Sequence in context: A022949 A049694 A093773 this_sequence A020159 A048017 A048078` `Adjacent sequences: A088705 A088706 A088707 this_sequence A088709 A088710 A088711`
	KEYWORD	`nonn`
	AUTHOR	`Chuck Seggelin (barkeep(AT)plastereddragon.com), Oct 11 2003`

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

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