n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 3 |
6 | 5 |
7 | 13 |
8 | 27 |
9 | 67 |
10 | 157 |
11 | 390 |
12 | 963 |
13 | 2437 |
14 | 6186 |
15 | 15908 |
16 | 41127 |
17 | 107148 |
18 | 280569 |
19 | 738675 |
20 | 1953054 |
21 | 5185364 |
22 | 13816018 |
23 | 36934431 |
24 | 99030038 |
25 | 266254593 |
26 | 717652816 |
27 | 1938831589 |
28 | 5249221790 |
29 | 14240130827 |
30 | 38702218134 |
31 | 105367669062 |
[0,1,0,1,1,3,5,13,27,67,157,390,963,2437,6186, 15908,41127,107148,280569,738675,1953054,5185364, 13816018,36934431,99030038,266254593,717652816, 1938831589,5249221790,14240130827,38702218134, 105367669062] |