n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 4 |
3 | 13 |
4 | 38 |
5 | 101 |
6 | 252 |
7 | 594 |
8 | 1340 |
9 | 2907 |
10 | 6104 |
11 | 12447 |
12 | 24744 |
13 | 48068 |
14 | 91476 |
15 | 170838 |
16 | 313646 |
17 | 566824 |
18 | 1009628 |
19 | 1774290 |
20 | 3079338 |
21 | 5282172 |
22 | 8962288 |
23 | 15050848 |
24 | 25032420 |
25 | 41255101 |
26 | 67406472 |
27 | 109236685 |
28 | 175654072 |
29 | 280371510 |
30 | 444372452 |
31 | 699579062 |
32 | 1094289564 |
[0,1,4,13,38,101,252,594,1340,2907,6104,12447, 24744,48068,91476,170838,313646,566824,1009628, 1774290,3079338,5282172,8962288,15050848,25032420, 41255101,67406472,109236685,175654072,280371510, 444372452,699579062,1094289564] |