OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
EXAMPLE
31 is in the sequence because 31+37+41+43+47+53+59+61+67+71+73+79+83 = 745 and 745 = 5*149.
MATHEMATICA
Transpose[Select[Partition[Prime[Range[200]], 13, 1], !PrimeQ[Total[#]]&]][[1]]
PROG
(Magma) [NthPrime(n): n in [1..120] | not IsPrime(&+[NthPrime(n+s): s in [0..12]])];
CROSSREFS
Cf. A228201.
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Sep 13 2013
STATUS
approved