n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 15 |
6 | 36 |
7 | 85 |
8 | 209 |
9 | 517 |
10 | 1303 |
11 | 3312 |
12 | 8510 |
13 | 22029 |
14 | 57447 |
15 | 150709 |
16 | 397569 |
17 | 1053822 |
18 | 2805518 |
19 | 7498035 |
20 | 20110254 |
21 | 54110386 |
22 | 146021880 |
23 | 395114304 |
24 | 1071772322 |
25 | 2913900196 |
26 | 7939004648 |
27 | 21672609566 |
28 | 59272260791 |
29 | 162380575451 |
[1,1,2,3,7,15,36,85,209,517,1303,3312,8510,22029, 57447,150709,397569,1053822,2805518,7498035, 20110254,54110386,146021880,395114304,1071772322, 2913900196,7939004648,21672609566,59272260791, 162380575451] |