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A066675
a(n) = A066674(n)-1 divided by the n-th prime.
7
1, 2, 2, 4, 2, 4, 6, 10, 2, 2, 10, 4, 2, 4, 6, 2, 12, 6, 4, 8, 4, 4, 2, 2, 4, 6, 6, 6, 10, 2, 4, 2, 6, 4, 8, 6, 10, 4, 14, 2, 2, 6, 2, 4, 18, 4, 10, 12, 24, 12, 2, 2, 6, 2, 6, 6, 8, 6, 4, 2, 6, 2, 4, 6, 6, 26, 6, 10, 6, 10, 14, 2, 6, 4, 12, 12, 24, 6, 8, 4, 2, 10, 2, 4, 10, 2, 8, 30, 6, 12, 6, 8, 4
OFFSET
1,2
COMMENTS
Is this a duplicate of A035096? - R. J. Mathar, Dec 15 2008
LINKS
FORMULA
a(n) = min{m : phi(m) == 0 (mod p(n))} = min{m : A000010(m) == 0 (mod A000040(n))}.
KEYWORD
nonn
AUTHOR
Labos Elemer, Dec 19 2001
EXTENSIONS
a(2) corrected by R. J. Mathar, Dec 15 2008
STATUS
approved