Greetings from
The On-Line Encyclopedia of Integer Sequences
!
Hints
Search:
id:A049976
Displaying 1-1 of 1 results found.
page 1
Format:
long
| short |
internal
|
text
Sort: relevance |
references
|
number
Highlight: on |
off
A049976
a(n)=a(1)+a(2)+...+a(n-1)+a(m), where m=2n-3-2^(p+1) and 2^p<n-1<=2^(p+1).
+0
1
1, 3, 4, 9, 21, 39, 81, 179, 418, 756, 1515, 3047, 6154, 12645, 26387, 57413, 135059, 243732, 487467, 974951, 1949962, 3900261, 7801619, 15607877, 31235987, 62580646, 125513700, 252489895, 510831447, 1045097262, 2184472237
(
list
;
graph
;
listen
)
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 December 6 22:55 EST 2009. Contains 170429 sequences.
AT&T Labs Research
Legal Notice
© 2009 AT&T Intellectual Property.
All Rights Reserved.