n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 4 |
5 | 7 |
6 | 13 |
7 | 25 |
8 | 46 |
9 | 85 |
10 | 157 |
11 | 289 |
12 | 532 |
13 | 979 |
14 | 1801 |
15 | 3313 |
16 | 6094 |
17 | 11209 |
18 | 20617 |
19 | 37921 |
20 | 69748 |
21 | 128287 |
22 | 235957 |
23 | 433993 |
24 | 798238 |
25 | 1468189 |
26 | 2700421 |
27 | 4966849 |
28 | 9135460 |
29 | 16802731 |
30 | 30905041 |
31 | 56843233 |
32 | 104551006 |
33 | 192299281 |
34 | 353693521 |
[1,1,1,4,7,13,25,46,85,157,289,532,979,1801,3313, 6094,11209,20617,37921,69748,128287,235957,433993, 798238,1468189,2700421,4966849,9135460,16802731, 30905041,56843233,104551006,192299281,353693521] |