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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A071892 LCM(A071888(n),n). 2
2, 6, 6, 12, 10, 30, 14, 40, 45, 70, 22, 84, 26, 42, 105, 176, 34, 126, 38, 220, 210, 286, 46, 312, 150, 390, 270, 420, 58, 330, 62, 544, 429, 646, 210, 684, 74, 798, 546, 840, 82, 966, 86, 1012, 765, 1334, 94, 816, 490, 550, 969, 1508, 106, 1026 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

a(n) is squarefree iff n is squarefree.

CROSSREFS

a(n)=A071888(n)*n/A071889(n).

Sequence in context: A106832 A129902 A087560 * A064797 A053319 A075779

Adjacent sequences:  A071889 A071890 A071891 * A071893 A071894 A071895

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 10 2002

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 23:53 EST 2012. Contains 205689 sequences.