n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | 4 |
4 | 5 |
5 | 11 |
6 | 19 |
7 | 64 |
8 | 124 |
9 | 431 |
10 | 1327 |
11 | 5041 |
12 | 16256 |
13 | 101123 |
14 | 343523 |
15 | 2315198 |
16 | 12588566 |
17 | 91251647 |
18 | 541807894 |
19 | 6226655381 |
20 | 40196314396 |
21 | 497995326239 |
22 | 5136985473929 |
23 | 68806411497081 |
24 | 764460274355923 |
25 | 16405775345542751 |
[1,2,2,4,5,11,19,64,124,431,1327,5041,16256, 101123,343523,2315198,12588566,91251647,541807894, 6226655381,40196314396,497995326239,5136985473929, 68806411497081,764460274355923,16405775345542751] |