login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A006130 as a simple table

n a(n)
0 1
1 1
2 4
3 7
4 19
5 40
6 97
7 217
8 508
9 1159
10 2683
11 6160
12 14209
13 32689
14 75316
15 173383
16 399331
17 919480
18 2117473
19 4875913
20 11228332
21 25856071
22 59541067
23 137109280
24 315732481
25 727060321
26 1674257764
27 3855438727
28 8878212019
29 20444528200

[1,1,4,7,19,40,97,217,508,1159,2683,6160,14209,
 32689,75316,173383,399331,919480,2117473,4875913,
 11228332,25856071,59541067,137109280,315732481,
 727060321,1674257764,3855438727,8878212019,
 20444528200]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 4 03:49 EDT 2024. Contains 372225 sequences. (Running on oeis4.)