OFFSET
1,1
COMMENTS
There are twin primes in the sequence: e.g (29,31); (179,181); (1481,1483).
There are consecutive primes also: e.g. (29,31,37); (1663,1667); (1777,1783).
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
a(5)=29 since 29*31+37+41=977 is a prime.
MATHEMATICA
Transpose[Select[Partition[Prime[Range[260]], 4, 1], PrimeQ[#[[1]]#[[2]]+ #[[3]]+ #[[4]]]&]][[1]] (* Harvey P. Dale, Jan 01 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Carmine Suriano, Sep 27 2010
EXTENSIONS
Inserted 1021 to 1201 - R. J. Mathar, Oct 23 2010
STATUS
approved