Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A012551
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A012551 arctanh(sinh(x)*tan(x))=2/2!*x^2+12/4!*x^4+382/6!*x^6+23352/8!*x^8... +0
1
2, 12, 382, 23352, 2464922, 398069892, 91079960662, 28062488827632, 11197997254599602, 5618500857338248572, 3461960315033768973742, 2569953015248391982844712, 2262189595338137069466955082 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A158261 A012547 A009706 this_sequence A156509 A051009 A060942

Adjacent sequences: A012548 A012549 A012550 this_sequence A012552 A012553 A012554

KEYWORD

nonn

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 November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research

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