n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 1 |
5 | 3 |
6 | 6 |
7 | 10 |
8 | 15 |
9 | 30 |
10 | 54 |
11 | 92 |
12 | 160 |
13 | 282 |
14 | 492 |
15 | 859 |
16 | 1490 |
17 | 2570 |
18 | 4428 |
19 | 7627 |
20 | 13098 |
21 | 22421 |
22 | 38290 |
23 | 65265 |
24 | 111018 |
25 | 188475 |
26 | 319380 |
27 | 540266 |
28 | 912397 |
29 | 1538371 |
30 | 2589858 |
31 | 4353820 |
32 | 7309362 |
33 | 12255474 |
34 | 20523307 |
35 | 34328731 |
36 | 57357184 |
37 | 95733131 |
38 | 159626049 |
[1,0,2,1,3,6,10,15,30,54,92,160,282,492,859,1490, 2570,4428,7627,13098,22421,38290,65265,111018, 188475,319380,540266,912397,1538371,2589858, 4353820,7309362,12255474,20523307,34328731, 57357184,95733131,159626049] |