OFFSET
1,1
LINKS
Syed Iddi Hasan, Table of n, a(n) for n = 1..10000
EXAMPLE
691 = prime(10) + prime(11) + ... + prime(22) = 29 + 31 + ... + 79.
MATHEMATICA
Select[Table[Sum[Prime[i], {i, n, n + 12}], {n, 1, 150}], PrimeQ[ # ] &]
Select[Total/@Partition[Prime[Range[200]], 13, 1], PrimeQ] (* Harvey P. Dale, Aug 13 2021 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Jan 11 2007
EXTENSIONS
Edited by Stefan Steinerberger, Jul 31 2007
STATUS
approved