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!)

A018139 as a simple table

n a(n)
0 1
1 2
2 2
3 4
4 6
5 9
6 14
7 22
8 34
9 52
10 81
11 126
12 195
13 303
14 470
15 729
16 1131
17 1756
18 2724
19 4228
20 6561
21 10182
22 15800
23 24520
24 38051
25 59049
26 91635
27 142203
28 220677
29 342457
30 531441
31 824714
32 1279829
33 1986097
34 3082117
35 4782969

[1,2,2,4,6,9,14,22,34,52,81,126,195,303,470,729,
 1131,1756,2724,4228,6561,10182,15800,24520,38051,
 59049,91635,142203,220677,342457,531441,824714,
 1279829,1986097,3082117,4782969]

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 April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)