Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A009638
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A009638 Expansion of tan(ln(1+sinh(x))). +0
1
0, 1, -1, 5, -22, 151, -1186, 11255, -121752, 1493101, -20381896, 306816905, -5045231632, 89977880851, -1729461315856, 35637607318955, -783658693590912, 18315607922069401, -453368586519154816, 11848112075773043405 (list; graph; listen)
OFFSET

0,4

MATHEMATICA

Tan[ Log[ 1+Sinh[ x ] ] ]

CROSSREFS

Sequence in context: A033462 A111154 A028561 this_sequence A121942 A006294 A129437

Adjacent sequences: A009635 A009636 A009637 this_sequence A009639 A009640 A009641

KEYWORD

sign,easy

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

EXTENSIONS

Extended with signs Mar 15 1997 by Olivier Gerard.

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 30 13:13 EST 2009. Contains 167758 sequences.


AT&T Labs Research