Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A012643
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A012643 cosh(arcsinh(x)*cos(x))=1+1/2!*x^2-15/4!*x^4+225/6!*x^6-3423/8!*x^8... +0
1
1, 1, -15, 225, -3423, 58305, -3367023, 750974497, -195722347967, 56832659001729, -19485490128305615, 8027995798338091873, -3957958222909649739039, 2309625363907160407164225 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A078364 A012852 A001024 this_sequence A067222 A154597 A041422

Adjacent sequences: A012640 A012641 A012642 this_sequence A012644 A012645 A012646

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 December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research

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