OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[415], !PrimeQ[#] && EulerPhi[#] > 3*#/4 &] (* Amiram Eldar, Apr 23 2022 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Feb 07 2002
STATUS
approved