n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 5 |
4 | 12 |
5 | 24 |
6 | 55 |
7 | 119 |
8 | 272 |
9 | 612 |
10 | 1411 |
11 | 3247 |
12 | 7565 |
13 | 17667 |
14 | 41561 |
15 | 98099 |
16 | 232696 |
17 | 553784 |
18 | 1322813 |
19 | 3169065 |
20 | 7614583 |
21 | 18342921 |
22 | 44294991 |
23 | 107200829 |
24 | 259983346 |
25 | 631718606 |
26 | 1537737567 |
27 | 3749440151 |
28 | 9156561590 |
29 | 22394270034 |
30 | 54845701243 |
[1,1,3,5,12,24,55,119,272,612,1411,3247,7565, 17667,41561,98099,232696,553784,1322813,3169065, 7614583,18342921,44294991,107200829,259983346, 631718606,1537737567,3749440151,9156561590, 22394270034,54845701243] |