OFFSET
1,1
EXAMPLE
23327 is the prime arithmetic mean of emirp pair (10853, 35801) as well as of emirp pair (15803, 30851), and no other.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, May 29 2010
EXTENSIONS
Extended by Ray Chandler, Jul 05 2010
a(8)-a(26) from Donovan Johnson, Jul 06 2010
STATUS
approved