OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
sos[n_]:=Module[{s=If[OddQ[n], n, n+1]}, While[PrimeOmega[s]!=2, s=s+2]; s]; Table[sos[n], {n, 80}] (* Harvey P. Dale, Jun 14 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Apr 29 2005
STATUS
approved