Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A130104
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A130104 Expansion of x(1-3x+5x^2-2x^3)/((1-x)^3*(1-2x)). +0
2
0, 1, 2, 6, 17, 43, 100, 220, 467, 969, 1982, 4018, 8101, 16279, 32648, 65400, 130919, 261973, 524098, 1048366, 2096921, 4194051, 8388332, 16776916, 33554107, 67108513, 134217350, 268435050, 536870477, 1073741359 (list; graph; listen)
OFFSET

0,3

COMMENT

a(n+1)=A014833(n+2). Partial sums of A130103.

FORMULA

a(n)=2^(n+1)-C(n+2,2)-0^n.

CROSSREFS

Adjacent sequences: A130101 A130102 A130103 this_sequence A130105 A130106 A130107

Sequence in context: A037261 A072077 A014833 this_sequence A018024 A000996 A020963

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), May 07 2007

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 October 16 00:31 EDT 2008. Contains 145098 sequences.


AT&T Labs Research