OFFSET
1,2
COMMENTS
EXAMPLE
a(1)=1 because prime(1)=2 and 5*2+1=11
(prime).
MATHEMATICA
NextPrime[#]-#&/@(5Prime[Range[100]]) (* Harvey P. Dale, Oct 21 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Nov 18 2005
STATUS
approved