Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A009253
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A009253 Expansion of exp(tan(x)/cos(x)). +0
1
1, 1, 1, 6, 21, 112, 717, 4592, 38857, 318208, 3158329, 32169984, 363525789, 4399544320, 56250039237, 779244812288, 11210469917713, 173483433263104, 2783865475754737, 47421793222656000, 840008000833503141 (list; graph; listen)
OFFSET

0,4

MATHEMATICA

Exp[ Tan[ x ]/Cos[ x ] ]

CROSSREFS

Sequence in context: A083558 A060843 A026650 this_sequence A012840 A013320 A056308

Adjacent sequences: A009250 A009251 A009252 this_sequence A009254 A009255 A009256

KEYWORD

nonn,easy

AUTHOR

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

EXTENSIONS

Extended and signs tested 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 August 28 22:44 EDT 2008. Contains 143251 sequences.


AT&T Labs Research