n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 29 |
5 | 103 |
6 | 367 |
7 | 1337 |
8 | 5023 |
9 | 18933 |
10 | 72019 |
11 | 277595 |
12 | 1072317 |
13 | 4161419 |
14 | 16257277 |
15 | 63604357 |
16 | 249494725 |
17 | 982307399 |
18 | 3871371275 |
19 | 15281854703 |
20 | 60457884995 |
21 | 239348796175 |
22 | 948543450125 |
23 | 3764377613819 |
24 | 14946670066195 |
25 | 59387715592641 |
26 | 236183780014071 |
27 | 939637420512623 |
28 | 3740066423029775 |
[1,1,3,9,29,103,367,1337,5023,18933,72019,277595, 1072317,4161419,16257277,63604357,249494725, 982307399,3871371275,15281854703,60457884995, 239348796175,948543450125,3764377613819, 14946670066195,59387715592641,236183780014071, 939637420512623,3740066423029775] |