Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A013242
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A013242 arctanh(log(x+1)-tan(x))=-1/2!*x^2-6/4!*x^4+8/5!*x^5-150/6!*x^6... +0
1
-1, 0, -6, 8, -150, 448, -7560, 38432, -650160, 4827328, -85887648, 855019904, -16230758544, 204362847232, -4163699379840, 63548399361536, -1392682970270592, 24960951809133568, -588583828329908480 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A013239 A013235 A013236 this_sequence A002689 A000955 A027721

Adjacent sequences: A013239 A013240 A013241 this_sequence A013243 A013244 A013245

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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 December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.