n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 33 |
4 | 106 |
5 | 342 |
6 | 1102 |
7 | 3549 |
8 | 11431 |
9 | 36816 |
10 | 118573 |
11 | 381888 |
12 | 1229944 |
13 | 3961272 |
14 | 12758041 |
15 | 41089731 |
16 | 132337402 |
17 | 426218121 |
18 | 1372717642 |
19 | 4421101854 |
20 | 14239010998 |
21 | 45859480485 |
22 | 147699299527 |
23 | 475694073504 |
24 | 1532064487045 |
25 | 4934309093184 |
26 | 15891893868016 |
[1,3,10,33,106,342,1102,3549,11431,36816,118573, 381888,1229944,3961272,12758041,41089731, 132337402,426218121,1372717642,4421101854, 14239010998,45859480485,147699299527,475694073504, 1532064487045,4934309093184,15891893868016] |