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A348160
Odd numbers not appearing in A348158.
0
189, 273, 315, 513, 567, 585, 825, 945, 1071, 1323, 1365, 1539, 1575, 1701, 1755, 1911, 2079, 2205, 2255, 2457, 2565, 2835, 3003, 3069, 3075, 3213, 3465, 3549, 3591, 3969, 4125, 4329, 4347, 4617, 4641, 4725, 4995, 5103, 5187, 5265, 5425, 5481, 5733, 5775, 5859, 5985
OFFSET
1,1
COMMENTS
a(19) = 2255 is the least term that is not divisible by 3.
MATHEMATICA
f[n_] := Plus @@ DeleteDuplicates @ Map[EulerPhi, Divisors[n]]; m = 6000; Complement[Range[1, m, 2], Array[f, m^2]]
CROSSREFS
Cf. A348158.
Similar sequences: A005114, A005277.
Sequence in context: A068557 A253024 A031901 * A320709 A224674 A076759
KEYWORD
nonn
AUTHOR
Amiram Eldar, Oct 03 2021
STATUS
approved