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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A067237 Numbers n such that gcd(sigma(n),n)=n/5. 1
5, 10, 15, 30, 60, 90, 140, 420, 1170, 2480, 3360, 6200, 7440, 8190, 18600, 40640, 114660, 121920, 131040, 297600, 997920, 2618880, 5059200, 64995840, 72602880, 95472000, 102136320, 167751680, 197308800, 433305600, 503255040, 668304000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..32.

CROSSREFS

Sequence in context: A138521 A225701 A022600 * A196157 A048703 A020332

Adjacent sequences:  A067234 A067235 A067236 * A067238 A067239 A067240

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, Feb 20 2002

EXTENSIONS

More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Nov 15 2004

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 18 21:25 EDT 2019. Contains 325144 sequences. (Running on oeis4.)