id:A075284 - OEIS Search Results

Search: id:A075284

Displaying 1-1 of 1 results found.

page 1

Interprimes which are of the form s*prime, s=9.

+0
1

18, 45, 99, 279, 747, 909, 1611, 1737, 2007, 2259, 2439, 2799, 3879, 5193, 5571, 5787, 6147, 6219, 6471, 6813, 6849, 7677, 8271, 8577, 8703, 8739, 8793, 9279, 9549, 9621, 10107, 10161, 10629, 10953, 11241, 11511, 11619, 11709, 13329, 14031 (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	`279 is an interprime and 279/9 = 31 is prime.`
	MATHEMATICA	`s=9; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 1000}], PrimeQ[ #/s]&]`
	CROSSREFS	`Cf. A075277-A075296.` `Sequence in context: A055577 A002798 A124388 this_sequence A057444 A130414 A108642` `Adjacent sequences: A075281 A075282 A075283 this_sequence A075285 A075286 A075287`
	KEYWORD	`easy,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Sep 12 2002`

page 1

Search completed in 0.002 seconds

Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research