Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A012683
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A012683 arcsinh(tanh(x)*arctan(x))=2/2!*x^2-16/4!*x^4+200/6!*x^6+1024/8!*x^8... +0
1
2, -16, 200, 1024, -523232, 36263680, 7024697472, -3839533326336, 933770326393344, 5856130402316288, -153024990104004376576, 83925295292036381278208, 4161808298471932199182336 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A118644 A006335 A051711 this_sequence A012677 A158212 A036081

Adjacent sequences: A012680 A012681 A012682 this_sequence A012684 A012685 A012686

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 November 24 14:25 EST 2009. Contains 167438 sequences.

AT&T Labs Research

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