OFFSET
4,2
LINKS
Jean-François Alcover, Frequency distribution up to 10^6 terms.
MATHEMATICA
a[n_] := (NextPrime[n] - NextPrime[n, -1])/2; Table[a[n], {n, 4, 100}] (* Jean-François Alcover, Apr 16 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Ben Paul Thurston, Mar 30 2007
STATUS
approved