OFFSET
1,1
COMMENTS
It is in the spirit of A096342 (only for 2 consecutive primes) and of A013918 (all primes but only the sum).
The corresponding values of k are 2, 4, 6, 60, 96, ... - Amiram Eldar, Dec 19 2018
EXAMPLE
11=(2+3)+(2*3) and 11 is prime.
227= (2+3+5+7)+(2*3*5*7) and 227 is prime.
MATHEMATICA
tb = {}; Do[pq = Plus @@ Prime[Range[1, k]] + Times @@ Prime[Range[1, k]]; If[PrimeQ[pq], AppendTo[tb, pq]], {k, 1, 200}]; tb
CROSSREFS
KEYWORD
nonn
AUTHOR
Carlos Alves, Jul 08 2006
STATUS
approved