Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A107391
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A107391 Expansion of sin(x)^2 * sinh(x)^2. +0
1
24, -896, 67584, -4161536, 268959744, -17171480576, 1099645845504, -70366596694016, 4503633987108864, -288229826395897856, 18446752869802573824, -1180591479979922948096, 75557865977714137104384 (list; graph; listen)
OFFSET

1,1

FORMULA

(1/4)(-64)^n - (1/2)16^n. G.f. (24+256x)/[(1-16x)(1+64x)].

CROSSREFS

Adjacent sequences: A107388 A107389 A107390 this_sequence A107392 A107393 A107394

Sequence in context: A005149 A027411 A109575 this_sequence A006147 A061236 A001784

KEYWORD

sign

AUTHOR

Ralf Stephan (ralf(AT)ark.in-berlin.de), May 25 2005

page 1

Search completed in 0.003 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 May 16 01:24 EDT 2008. Contains 139630 sequences.


AT&T Labs Research