OFFSET
1,1
COMMENTS
Primes of the form 4+A034961(k).
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
EXAMPLE
MATHEMATICA
Select[Total[#]+4&/@Partition[Prime[Range[200]], 3, 1], PrimeQ] (* Harvey P. Dale, Jan 12 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Oct 03 2009
EXTENSIONS
1721 inserted by R. J. Mathar, Oct 05 2009
STATUS
approved