Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A012158
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A012158 sech(tan(sinh(x)))=1-1/2!*x^2-7/4!*x^4-73/6!*x^6-239/8!*x^8... +0
1
1, -1, -7, -73, -239, 95311, 12793417, 1502683335, 172513245857, 17253776069663, 455220048522521, -596864160295290537, -305119961556198266191, -109834061252143977404561 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Adjacent sequences: A012155 A012156 A012157 this_sequence A012159 A012160 A012161

Sequence in context: A082719 A142053 A012049 this_sequence A139966 A027017 A076106

KEYWORD

sign

AUTHOR

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

EXTENSIONS

More terms from njas, Aug 27 2006

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.