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!)

A026790 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 7
5 12
6 23
7 41
8 72
9 135
10 243
11 432
12 804
13 1455
14 2608
15 4836
16 8785
17 15838
18 29306
19 53385
20 96654
21 178600
22 326019
23 592140
24 1093135
25 1998537
26 3638700
27 6712659
28 12287071
29 22412784
30 41325279
31 75712253
32 138308808
33 254912873

[1,1,2,4,7,12,23,41,72,135,243,432,804,1455,2608,
 4836,8785,15838,29306,53385,96654,178600,326019,
 592140,1093135,1998537,3638700,6712659,12287071,
 22412784,41325279,75712253,138308808,254912873]

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 July 17 20:28 EDT 2024. Contains 374377 sequences. (Running on oeis4.)