Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A072695
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A072695 LCM[d(n^2),d(n)], where d(n)=A000005(n). +0
2
1, 6, 6, 15, 6, 36, 6, 28, 15, 36, 6, 30, 6, 36, 36, 45, 6, 30, 6, 30, 36, 36, 6, 168, 15, 36, 28, 30, 6, 216, 6, 66, 36, 36, 36, 225, 6, 36, 36, 168, 6, 216, 6, 30, 30, 36, 6, 270, 15, 30, 36, 30, 6, 168, 36, 168, 36, 36, 6, 180, 6, 36, 30, 91, 36, 216, 6, 30, 36, 216, 6, 420 (list; graph; listen)
OFFSET

1,2

EXAMPLE

If n is square-free product of k distinct primes, then a(n)=6^k.If n=p^2, then a(n)=15, etc.

CROSSREFS

Cf. A000005.

Sequence in context: A141378 A003871 A110626 this_sequence A085596 A107620 A058563

Adjacent sequences: A072692 A072693 A072694 this_sequence A072696 A072697 A072698

KEYWORD

easy,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jul 04 2002

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


AT&T Labs Research