Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A081922
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A081922 Expansion of exp(4x)/sqrt(1-x^2). +0
2
1, 4, 17, 76, 361, 1844, 10321, 64348, 453329, 3619684, 32666161, 329434604, 3677682937, 44901581716, 595567550321, 8505627039484, 130307878338721, 2126927187154628, 36912563369550289, 677277819029706124 (list; graph; listen)
OFFSET

0,2

COMMENT

Binomial transform of A081921

FORMULA

E.g.f. exp(4x)/sqrt(1-x^2)

CROSSREFS

Sequence in context: A026773 A081186 A005572 this_sequence A124325 A151248 A104455

Adjacent sequences: A081919 A081920 A081921 this_sequence A081923 A081924 A081925

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 01 2003

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