A075292 Interprimes which are of the form s*prime, s=17.

34, 1003, 1207, 5933, 6613, 6749, 10217, 10897, 18547, 18649, 22117, 23137, 23239, 25177, 34493, 38267, 40477, 43469, 44047, 49351, 54553, 58973, 60503, 62441, 66623, 67813, 71893, 76619, 79543, 80257, 80903, 85153, 86683, 87601, 89437

Offset

1,1

Comments

Interprimes of the form s*prime are in A075277-A075296 ( s = 2 - 21 ). Case s=1 is impossible.

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

1207 is an interprime and 1207/17 = 71 is prime.

Mathematica

s=17; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 4000}], PrimeQ[ #/s]&]
Select[Mean[#]&/@Partition[Prime[Range[9000]], 2, 1], PrimeQ[#/17]&] (* Harvey P. Dale, Apr 06 2016 *)

Crossrefs

Cf. A075277-A075296.

Sequence in context: A020535 A134500 A098607 * A297456 A328350 A365993

Adjacent sequences: A075289 A075290 A075291 * A075293 A075294 A075295

Keyword

easy,nonn

Author

Zak Seidov, Sep 12 2002

Status

approved