Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A009128
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A009128 Expansion of cosh(ln(1+x))*cos(x). +0
1
1, 0, 0, -3, 7, -30, 194, -1365, 10893, -98028, 980324, -10783575, 129402835, -1682236842, 23551315878, -353269738185, 5652315810841, -96089368784280, 1729608638117192, -32862564124226667, 657251282484533151 (list; graph; listen)
OFFSET

0,4

MATHEMATICA

Cosh[ Log[ 1+x ] ]*Cos[ x ]

CROSSREFS

Sequence in context: A132105 A019021 A110505 this_sequence A053648 A138862 A080173

Adjacent sequences: A009125 A009126 A009127 this_sequence A009129 A009130 A009131

KEYWORD

sign,easy

AUTHOR

R. H. Hardin (rhh(AT)cadence.com)

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 September 5 01:44 EDT 2008. Contains 143476 sequences.


AT&T Labs Research