OFFSET
1,4
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
PrimeOmega @ Select[Range[3000], Last @ Map[First, FactorInteger[#]] <= 5 &] (* Amiram Eldar, Feb 07 2020 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Sep 18 2005
STATUS
approved