id:A075277 - OEIS Search Results

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Interprimes which are of the form s*prime, s=2.

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21

4, 6, 26, 34, 86, 134, 254, 274, 334, 386, 446, 566, 974, 1126, 1226, 1234, 1286, 1294, 1546, 2066, 2374, 2386, 2554, 2854, 2906, 2966, 3086, 3326, 3694, 3898, 4054, 4286, 4594, 4742, 4846, 4874, 4954, 5006, 5218, 5366, 5686, 5714, 5854, 6238, 6274, 6326 (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	`7646 is an interprime and 7646/2 = 3823 is prime.`
	MATHEMATICA	`s=2; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 1000}], PrimeQ[ #/s]&]`
	CROSSREFS	`Cf. A075277--A075296.` `Adjacent sequences: A075274 A075275 A075276 this_sequence A075278 A075279 A075280` `Sequence in context: A123055 A028273 A024471 this_sequence A054094 A123873 A099941`
	KEYWORD	`easy,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Sep 12 2002`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

AT&T Labs Research