OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[250]], AllTrue[{14#+3, 6#+7}, PrimeQ]&] (* Harvey P. Dale, Mar 10 2022 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Nov 10 2006
STATUS
approved