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A159001 First part "a" of A159000(n). 1
33, 19, 3, 5, 1209, 39, 4515, 54, 628, 695, 7, 3008, 374, 5, 17, 46, 5, 119, 1, 193933, 2438553, 24, 37, 3776, 54, 582, 1010472, 1067915, 2248, 46, 8080756, 811, 98 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
A159000(1) = 3360 = phi(33)*sigma(60) so a(1) = 33.
A159000(5) = 451584 = phi(4515)*sigma(84) so a(5) = 4515.
CROSSREFS
Sequence in context: A033353 A192631 A104781 * A304261 A022989 A023475
KEYWORD
nonn,base,more
AUTHOR
Farideh Firoozbakht, Jun 07 2009
EXTENSIONS
a(3), a(4), a(11) and more terms added using A159000 by Amiram Eldar, Mar 18 2024
STATUS
approved

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Last modified July 19 10:10 EDT 2024. Contains 374392 sequences. (Running on oeis4.)