Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A012817
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A012817 arcsinh(sec(x)*sinh(x))=x+3/3!*x^3+5/5!*x^5-217/7!*x^7+2505/9!*x^9... +0
1
1, 3, 5, -217, 2505, 765963, -6838195, -9335128657, 286658869905, 407628336475923, -19130907180121195, -42164783730598660297, 3124552441785986300505, 9154657902519091515622683 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A090953 A092947 A104996 this_sequence A087367 A058846 A101331

Adjacent sequences: A012814 A012815 A012816 this_sequence A012818 A012819 A012820

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 September 6 16:04 EDT 2008. Contains 143483 sequences.

AT&T Labs Research

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