Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A114122
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A114122 Expansion of (1+x)^2/(1+2x-4x^3-4x^4). +0
2
1, 0, 1, 2, 0, 4, 4, 0, 16, 0, 16, 32, 0, 64, 64, 0, 256, 0, 256, 512, 0, 1024, 1024, 0, 4096, 0, 4096, 8192, 0, 16384, 16384, 0, 65536, 0, 65536, 131072, 0, 262144, 262144, 0, 1048576 (list; graph; listen)
OFFSET

0,4

COMMENT

Binomial transform is A116404.

FORMULA

a(n)=-2a(n-1)+4a(n-3)+4a(n-4)

CROSSREFS

Sequence in context: A081236 A103328 A167312 this_sequence A004174 A049797 A116578

Adjacent sequences: A114119 A114120 A114121 this_sequence A114123 A114124 A114125

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Feb 07 2006

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 24 23:16 EST 2009. Contains 167481 sequences.


AT&T Labs Research