OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..250
MATHEMATICA
Select[Range[7000], PrimeQ[#^128 + (# + 1)^128] &]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Aug 31 2012
STATUS
approved