Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A012849
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A012849 arctanh(sec(x)*atanh(x))=x+7/3!*x^3+193/5!*x^5+13319/7!*x^7... +0
1
1, 7, 193, 13319, 1721281, 357281351, 108706678273, 45591739883975, 25211971076762753, 17775279702237604231, 15562493015528998511681, 16565188691481564795512967, 21067308092979783990029042241 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A012846 A012847 A012848 this_sequence A012850 A012851 A012852

Sequence in context: A010332 A024096 A030257 this_sequence A135809 A128786 A034835

KEYWORD

nonn

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 October 13 02:37 EDT 2008. Contains 145008 sequences.

AT&T Labs Research

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