Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A012642
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A012642 arctanh(arcsinh(x)*cos(x))=x-2/3!*x^3-32/5!*x^5+152/7!*x^7+48448/9!*x^9... +0
1
1, -2, -32, 152, 48448, 289408, -393649024, -34249082624, 12871254335488, 2591959365570560, -694262452828553216, -534293242711984668672, 97599429997759939117056, 140451121892184627503628288 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A012639 A012640 A012641 this_sequence A012643 A012644 A012645

Sequence in context: A122127 A123105 A123287 this_sequence A128789 A053316 A053053

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 October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research

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