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!)

A217881 as a simple table

n a(n)
1 3
2 9
3 22
4 46
5 86
6 148
7 239
8 372
9 576
10 915
11 1520
12 2639
13 4711
14 8471
15 15107
16 26516
17 45758
18 77899
19 131586
20 221935
21 375670
22 640002
23 1097628
24 1891754
25 3267763
26 5643077
27 9725666
28 16717471
29 28666522
30 49078549
31 83978278
32 143744065
33 246264367

[3,9,22,46,86,148,239,372,576,915,1520,2639,4711,
 8471,15107,26516,45758,77899,131586,221935,375670,
 640002,1097628,1891754,3267763,5643077,9725666,
 16717471,28666522,49078549,83978278,143744065,
 246264367]

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 August 27 03:11 EDT 2024. Contains 375462 sequences. (Running on oeis4.)