n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 4 |
4 | 11 |
5 | 17 |
6 | 44 |
7 | 74 |
8 | 184 |
9 | 327 |
10 | 790 |
11 | 1461 |
12 | 3452 |
13 | 6584 |
14 | 15278 |
15 | 29879 |
16 | 68290 |
17 | 136391 |
18 | 318035 |
19 | 625731 |
20 | 1487661 |
21 | 2883357 |
22 | 6971222 |
23 | 13338421 |
24 | 32727472 |
25 | 61920497 |
26 | 153926409 |
27 | 288368511 |
28 | 725264305 |
29 | 1351124510 |
30 | 3423262180 |
[1,1,3,4,11,17,44,74,184,327,790,1461,3452,6584, 15278,29879,68290,136391,318035,625731,1487661, 2883357,6971222,13338421,32727472,61920497, 153926409,288368511,725264305,1351124510, 3423262180] |