Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A075292
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A075292 Interprimes which are of the form s*prime, s=17. +0
1
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 (list; graph; listen)
OFFSET

1,1

COMMENT

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

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]&]

CROSSREFS

Cf. A075277-A075296.

Adjacent sequences: A075289 A075290 A075291 this_sequence A075293 A075294 A075295

Sequence in context: A020535 A134500 A098607 this_sequence A029547 A091761 A009978

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Sep 12 2002

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified October 11 09:12 EDT 2008. Contains 144832 sequences.


AT&T Labs Research