OFFSET
1,1
COMMENTS
There are twins such as (17,19); (461,463); (1061,1063).
There are also consecutives such as (17,19,23,29,31); (359,367,373,379,383); (1949,1951,1973).
LINKS
Zak Seidov, Table of n, a(n) for n = 1..10000
EXAMPLE
a(7)=47+53+59+61+67+71+73=431 is a prime.
MATHEMATICA
Transpose[Select[Partition[Prime[Range[500]], 7, 1], PrimeQ[Total[#]]&]] [[1]] (* Harvey P. Dale, Jun 05 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Carmine Suriano, Sep 27 2010
EXTENSIONS
More cross references from Harvey P. Dale, Jun 05 2013
STATUS
approved