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A098203
Euler totient function phi values of multiperfect numbers.
4
1, 2, 12, 32, 240, 192, 4032, 6912, 6912, 153600, 435456, 5529600, 16773120, 11059200, 33177600, 143327232, 286654464, 433520640, 4294901760, 2627665920, 6019743744, 10705305600, 15925248000, 15606743040, 68719214592, 31850496000, 93640458240, 100329062400, 172009474560
OFFSET
1,2
LINKS
FORMULA
a(n) = A000010(A007691(n)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, Sep 23 2004
EXTENSIONS
More terms from Amiram Eldar, May 10 2024
STATUS
approved