OFFSET
1,1
COMMENTS
Listed in order of increasing n.
EXAMPLE
For n=12, 12/2/(p(12+2)-p(12+1))=12/2/(43-31)=3=a(1).
For n=36, 36/2/(p(36+2)-p(36+1))=36/2/(163-157)=3=a(3).
MAPLE
for n from 1 to 3000 do p := n/2/(ithprime(n+2)-ithprime(n+1)) ; if type(p, 'integer') then if isprime(p) then printf("%d, ", p) ; fi; fi; od: # R. J. Mathar, Aug 03 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Sep 15 2008
EXTENSIONS
Definition, examples and terms corrected by R. J. Mathar, Aug 03 2009
STATUS
approved