OFFSET
1,1
COMMENTS
Listed in order of increasing n.
EXAMPLE
For n=12, 12/(prime(12-1)-prime(12-2))=12/(31-29)=6=a(1).
For n=16, 16/(prime(16-1)-prime(16-2))=16/(47-43)=4=a(2).
MAPLE
for n from 3 to 1000 do c := n/(ithprime(n-1)-ithprime(n-2)) ; if type(c, 'integer') then if not isprime(c) then printf("%d, ", c) ; fi; fi; od: # R. J. Mathar, Aug 03 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Sep 15 2008
EXTENSIONS
Corrected by R. J. Mathar, Aug 03 2009
STATUS
approved