OFFSET
1,1
COMMENTS
For some values of n, e.g., 6291, 6816, 9951, 11371, also (n+3 + prime(n+3)) is divisible by 5.
MATHEMATICA
Select[Range[20000], Mod[Prime[ # ]+#, 5]+Mod[Prime[ #+1]+#+1, 5]+Mod[Prime[ #+2]+#+2, 5]==0&]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, Jun 10 2005
STATUS
approved