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!)

A259117 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 3
6 5
7 9
8 18
9 38
10 80
11 166
12 342
13 705
14 1463
15 3065
16 6492
17 13917
18 30217
19 66455
20 147920
21 332700
22 754544
23 1721596
24 3943344
25 9051155
26 20789895
27 47741587
28 109543782
29 251076670
30 574820868
31 1314663050
32 3004304786
33 6861785924
34 15668223170
35 35778071864
36 81723401730
37 186773111883
38 427182189689
39 977960176139

[1,1,1,2,3,5,9,18,38,80,166,342,705,1463,3065,
 6492,13917,30217,66455,147920,332700,754544,
 1721596,3943344,9051155,20789895,47741587,
 109543782,251076670,574820868,1314663050,
 3004304786,6861785924,15668223170,35778071864,
 81723401730,186773111883,427182189689,
 977960176139]

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 May 18 15:59 EDT 2022. Contains 353816 sequences. (Running on oeis4.)