Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A068238
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A068238 Denominators of arithmetic derivative of 1/n: -A003415(n)/n^2; numerators: A068237. +0
3
1, 4, 9, 4, 25, 36, 49, 16, 27, 100, 121, 9, 169, 196, 225, 8, 289, 108, 361, 50, 441, 484, 529, 144, 125, 676, 27, 49, 841, 900, 961, 64, 1089, 1156, 1225, 108, 1369, 1444, 1521, 400, 1681, 1764, 1849, 121, 675, 2116, 2209 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Adjacent sequences: A068235 A068236 A068237 this_sequence A068239 A068240 A068241

Sequence in context: A087320 A087321 A053143 this_sequence A087369 A021206 A002904

KEYWORD

nonn,frac

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 23 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 October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research

Legal Notice
© 2007 AT&T Knowledge Ventures. All Rights Reserved.