n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 13 |
6 | 35 |
7 | 85 |
8 | 257 |
9 | 765 |
10 | 2518 |
11 | 8359 |
12 | 28968 |
13 | 101340 |
14 | 361270 |
15 | 1297879 |
16 | 4707969 |
17 | 17179435 |
18 | 63068876 |
19 | 232615771 |
20 | 861725794 |
21 | 3204236779 |
22 | 11955836258 |
23 | 44748176653 |
24 | 167959144032 |
25 | 632058070310 |
26 | 2384235077576 |
27 | 9013628451275 |
[1,1,2,3,7,13,35,85,257,765,2518,8359,28968, 101340,361270,1297879,4707969,17179435,63068876, 232615771,861725794,3204236779,11955836258, 44748176653,167959144032,632058070310, 2384235077576,9013628451275] |