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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A067562 Odd values of n such phi(n)! divides phi(n!) where phi(n)=A000010(n). 0
1, 3, 15, 63, 75, 105, 165, 195, 231, 255, 285, 315, 495, 525, 585, 735, 825, 945, 975, 1155, 1275, 1365, 1485, 1575, 1755, 1785, 1815, 1995 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

a(n)==0 mod(3) for any n. For n>8 is it true that a(n)==0 mod(5)?

CROSSREFS

Sequence in context: A058749 A072336 A122671 * A062211 A204086 A171761

Adjacent sequences:  A067559 A067560 A067561 * A067563 A067564 A067565

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 29 2002; corrected Jun 03, 2003

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 17 11:46 EST 2012. Contains 206011 sequences.