OFFSET
1,2
COMMENTS
Complement to A108473.
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
ra=Range[500]; cnd=PrimeQ[4*Prime[ # ]+Prime[ #+1]]&; se=Select[ra, cnd]
Flatten[Position[Partition[Prime[Range[400]], 2, 1], _?(PrimeQ[4#[[1]]+ #[[2]]]&), {1}, Heads->False]] (* Harvey P. Dale, Apr 02 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Jun 04 2005
STATUS
approved