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A039784
phi(n) is equal to the product of the dual prime-power components of n.
0
1, 2, 12, 48, 5832
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
phi(5832)=1944, 5832=2^3*3^6, (3^2)*(6^3)=1944.
CROSSREFS
Cf.
A000010
,
A008477
.
Sequence in context:
A085495
A119978
A139234
*
A352026
A323678
A028243
Adjacent sequences:
A039781
A039782
A039783
*
A039785
A039786
A039787
KEYWORD
nonn
AUTHOR
Olivier Gérard
EXTENSIONS
No others < 7*10^7. -
Naohiro Nomoto
, Jun 23 2001
STATUS
approved
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Last modified September 9 07:24 EDT 2024. Contains 375762 sequences. (Running on oeis4.)