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!)

A002039 as a simple table

n a(n)
0 1
1 3
2 5
3 10
4 25
5 64
6 160
7 390
8 940
9 2270
10 5515
11 13440
12 32735
13 79610
14 193480
15 470306
16 1143585
17 2781070
18 6762990
19 16445100
20 39987325
21 97232450
22 236432060
23 574915770
24 1397981470
25 3399360474
26 8265943685
27 20099618590
28 48874630750

[1,3,5,10,25,64,160,390,940,2270,5515,13440,32735,
 79610,193480,470306,1143585,2781070,6762990,
 16445100,39987325,97232450,236432060,574915770,
 1397981470,3399360474,8265943685,20099618590,
 48874630750]

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 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)