OFFSET
1,1
COMMENTS
19=5+13+1, 31=11+19+1, 37=13+23+1, 47=17+29+1, 61=23+37+1, ...
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
lst={}; Do[p1=Prime[n]; p4=Prime[n+3]; p=p1+p4+1; If[PrimeQ[p], AppendTo[lst, p]], {n, 6!}]; lst
Select[#[[1]]+#[[4]]+1&/@Partition[Prime[Range[250]], 4, 1], PrimeQ] (* Harvey P. Dale, Aug 08 2020 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Apr 03 2009
STATUS
approved