n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 2 |
5 | 5 |
6 | 15 |
7 | 8 |
8 | 14 |
9 | 35 |
10 | 105 |
11 | 48 |
12 | 88 |
13 | 154 |
14 | 385 |
15 | 1155 |
16 | 480 |
17 | 624 |
18 | 1144 |
19 | 2002 |
20 | 5005 |
21 | 15015 |
22 | 5760 |
23 | 8160 |
24 | 10608 |
25 | 19448 |
26 | 34034 |
27 | 85085 |
28 | 255255 |
29 | 92160 |
30 | 109440 |
31 | 155040 |
32 | 201552 |
33 | 369512 |
34 | 646646 |
35 | 1616615 |
36 | 4849845 |
37 | 1658880 |
38 | 2119680 |
39 | 2517120 |
40 | 3565920 |
[1,1,3,2,5,15,8,14,35,105,48,88,154,385,1155,480, 624,1144,2002,5005,15015,5760,8160,10608,19448, 34034,85085,255255,92160,109440,155040,201552, 369512,646646,1616615,4849845,1658880,2119680, 2517120,3565920] |