OFFSET
1,1
COMMENTS
Notice that a(n)-n is always prime by definition, e.g.,
a(1) - 1 = 270239, a(2) - 2 = 375253, a(3) - 3 = 635279, a(4) - 4 = 1000691, etc.
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Apr 07 2008
STATUS
approved