n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 3 |
6 | 15 |
7 | 6 |
8 | 3 |
9 | 75 |
10 | 30 |
11 | 15 |
12 | 435 |
13 | 225 |
14 | 45 |
15 | 15 |
16 | 3045 |
17 | 1575 |
18 | 315 |
19 | 105 |
20 | 24465 |
21 | 12180 |
22 | 3150 |
23 | 420 |
24 | 105 |
25 | 220185 |
26 | 109620 |
27 | 28350 |
28 | 3780 |
29 | 945 |
30 | 2200905 |
31 | 1100925 |
32 | 274050 |
33 | 47250 |
34 | 4725 |
35 | 945 |
36 | 24209955 |
37 | 12110175 |
38 | 3014550 |
39 | 519750 |
40 | 51975 |
41 | 10395 |
42 | 290529855 |
[1,1,1,1,3,3,15,6,3,75,30,15,435,225,45,15,3045, 1575,315,105,24465,12180,3150,420,105,220185, 109620,28350,3780,945,2200905,1100925,274050, 47250,4725,945,24209955,12110175,3014550,519750, 51975,10395,290529855] |