Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A012423
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A012423 arctan(atan(x)*sin(x))=2/2!*x^2-12/4!*x^4-50/6!*x^6+12936/8!*x^8... +0
1
2, -12, -50, 12936, -643142, -60323780, 22895524678, -2421315237488, -864760878344718, 527455288321939204, -55917569000158790850, -108932420480580224669416, 83957330220575698201816746 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A003493 A129743 A115243 this_sequence A012427 A012695 A012382

Adjacent sequences: A012420 A012421 A012422 this_sequence A012424 A012425 A012426

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 August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research

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