n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 9 |
4 | 19 |
5 | 72 |
6 | 181 |
7 | 752 |
8 | 2051 |
9 | 8902 |
10 | 25417 |
11 | 113249 |
12 | 333101 |
13 | 1510888 |
14 | 4538219 |
15 | 20853973 |
16 | 63626003 |
17 | 295288350 |
18 | 911918665 |
19 | 4265460227 |
20 | 13300767273 |
21 | 62608960656 |
22 | 196778953279 |
23 | 931129725342 |
24 | 2945833819213 |
25 | 14000655099890 |
26 | 44541071348599 |
27 | 212484364171847 |
[1,2,3,9,19,72,181,752,2051,8902,25417,113249, 333101,1510888,4538219,20853973,63626003, 295288350,911918665,4265460227,13300767273, 62608960656,196778953279,931129725342, 2945833819213,14000655099890,44541071348599, 212484364171847] |