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A048188 a(n) = phi(n-th untouchable number). 4
1, 4, 24, 40, 32, 32, 60, 72, 54, 92, 102, 48, 72, 96, 80, 120, 130, 132, 88, 96, 112, 144, 144, 96, 132, 108, 162, 96, 108, 120, 168, 128, 140, 168, 192, 232, 156, 164, 168, 216, 192, 208, 144, 176, 276, 280, 192, 288, 192, 192, 312, 312, 276, 332, 264, 232, 192 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
a(n) = A000010(A005114(n)).
CROSSREFS
Sequence in context: A189228 A338786 A363218 * A121024 A120622 A031117
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Amiram Eldar, Sep 23 2022
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)