login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


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

A108031 as a simple table

n a(n)
1 2
2 3
3 5
4 7
5 9
6 17
7 20
8 36
9 52
10 86
11 125
12 220
13 324
14 542
15 855
16 1400
17 2209
18 3635
19 5780
20 9439
21 15150
22 24602
23 39605
24 64328
25 103691
26 168086
27 271495
28 439750
29 710649
30 1150794
31 1860500
32 3011749
33 4870975
34 7883406
35 12752070
36 20637077
37 33385284
38 54024302

[2,3,5,7,9,17,20,36,52,86,125,220,324,542,855,
 1400,2209,3635,5780,9439,15150,24602,39605,64328,
 103691,168086,271495,439750,710649,1150794,
 1860500,3011749,4870975,7883406,12752070,20637077,
 33385284,54024302]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 31 19:40 EDT 2020. Contains 334748 sequences. (Running on oeis4.)