OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
a(7)=1607=37*41+43+47
MATHEMATICA
Select[#[[1]]#[[2]]+#[[3]]+#[[4]]&/@ Partition[Prime[Range[200]], 4, 1], PrimeQ] (* Harvey P. Dale, Aug 24 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Carmine Suriano, Sep 27 2010
STATUS
approved