Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A013181
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A013181 log(arctanh(x)+cos(x)) = x-2/2!*x^2+7/3!*x^3-28/4!*x^4+193/5!*x^5... +0
1
1, -2, 7, -28, 193, -1400, 13319, -139424, 1721281, -23379712, 357281351, -5951323904, 108706678273, -2142923081728, 45591739883975, -1037606714249216, 25211971076762753, -650452080060399616 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A030906 A123026 A013011 this_sequence A122118 A059803 A076043

Adjacent sequences: A013178 A013179 A013180 this_sequence A013182 A013183 A013184

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 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research

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