OFFSET
1,1
COMMENTS
Sum i=0 to 10 of prime(n+i) is a prime.
There are many twins: (11,13); (149,151); (1301,1303); (1997,1999); (8969,8971) ...
There are also consecutive primes: (101,103,107,109,113); (607,613,617,619); (8681,8689,8693)
LINKS
Zak Seidov, Table of n, a(n) for n = 1..10000
EXAMPLE
a(5)=19 since 19+23+29+31+37+41+43+47+53+59+61=443 is a prime.
MATHEMATICA
Transpose[Select[Partition[Prime[Range[500]], 11, 1], PrimeQ[Total[#]] &]][[1]] [[1]] (* Harvey P. Dale, Jun 05 2013 *)
Prime[Select[Range[200], PrimeQ[Sum[Prime[# + i], {i, 0, 10}]] &]] (* Bruno Berselli, Aug 22 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Carmine Suriano, Sep 27 2010
EXTENSIONS
More cross references from Harvey P. Dale, Jun 05 2013
STATUS
approved