Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A075283
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A075283 Interprimes which are of the form s*prime, s=8. +0
1
56, 376, 1016, 1864, 2344, 2696, 3064, 3544, 3736, 4024, 4168, 5384, 5864, 6376, 7016, 8696, 8744, 9224, 9736, 9784, 13096, 14312, 15208, 15464, 15592, 16424, 16696, 17096, 19384, 19816, 20344, 21064, 21496, 22856, 23336, 23704, 26984 (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

1016 is an interprime and 1016/8 = 127 is prime.

MATHEMATICA

s=8; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 1000}], PrimeQ[ #/s]&]

CROSSREFS

Cf. A075277-A075296.

Sequence in context: A104677 A003783 A088833 this_sequence A008447 A076647 A067234

Adjacent sequences: A075280 A075281 A075282 this_sequence A075284 A075285 A075286

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 September 4 21:24 EDT 2008. Contains 143414 sequences.


AT&T Labs Research