id:A075282 - OEIS Search Results

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Interprimes which are of the form s*prime, s=7.

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21, 217, 2191, 2933, 3073, 3353, 7063, 7091, 8813, 9079, 9233, 9527, 9569, 10493, 10717, 11851, 12131, 16667, 17857, 18263, 18347, 19243, 19733, 22421, 23093, 24703, 24787, 25417, 27349, 28637, 32347, 32473, 33607, 33691, 35273, 35413 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Interprimes which are of the form s*prime are in A075277-A075296 (s = 2-21). Case s = 1 is impossible.`
	EXAMPLE	`2191 is an interprime and 2191/7 = 317 is prime.`
	MATHEMATICA	`s=7; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 1000}], PrimeQ[ #/s]&]`
	CROSSREFS	`Cf. A075277-A075296.` `Sequence in context: A120786 A053063 A060933 this_sequence A008421 A134585 A135120` `Adjacent sequences: A075279 A075280 A075281 this_sequence A075283 A075284 A075285`
	KEYWORD	`easy,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Sep 12 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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