login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A015765 Phi(n) | Sigma_7(n). 2
1, 2, 3, 6, 12, 14, 15, 30, 35, 42, 56, 70, 78, 105, 140, 168, 190, 210, 248, 264, 270, 295, 357, 418, 420, 570, 590, 594, 616, 630, 714, 744, 767, 812, 840, 885, 910, 1038, 1045, 1240, 1254, 1416, 1485, 1534, 1589, 1672, 1770, 1848, 2065, 2090 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

sigma_7(n) is the sum of the 7th powers of the divisors of n.

CROSSREFS

Sequence in context: A015761 A015763 A015769 * A015771 A020492 A110590

Adjacent sequences:  A015762 A015763 A015764 * A015766 A015767 A015768

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com)

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 13:08 EST 2012. Contains 205623 sequences.