n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 7 |
4 | 16 |
5 | 40 |
6 | 105 |
7 | 281 |
8 | 770 |
9 | 2147 |
10 | 6080 |
11 | 17431 |
12 | 50459 |
13 | 147265 |
14 | 432821 |
15 | 1279978 |
16 | 3806154 |
17 | 11373668 |
18 | 34136769 |
19 | 102863360 |
20 | 311065038 |
21 | 943740309 |
22 | 2871717550 |
23 | 8762164066 |
24 | 26801981013 |
25 | 82172139800 |
26 | 252470206882 |
27 | 777243596670 |
28 | 2397210487402 |
29 | 7406340364950 |
[1,2,3,7,16,40,105,281,770,2147,6080,17431,50459, 147265,432821,1279978,3806154,11373668,34136769, 102863360,311065038,943740309,2871717550, 8762164066,26801981013,82172139800,252470206882, 777243596670,2397210487402,7406340364950] |