n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 6 |
4 | 3 |
5 | 15 |
6 | 30 |
7 | 420 |
8 | 105 |
9 | 315 |
10 | 315 |
11 | 6930 |
12 | 3465 |
13 | 90090 |
14 | 180180 |
15 | 72072 |
16 | 9009 |
17 | 153153 |
18 | 153153 |
19 | 5819814 |
20 | 14549535 |
21 | 14549535 |
22 | 29099070 |
23 | 1338557220 |
24 | 334639305 |
25 | 1673196525 |
26 | 1673196525 |
27 | 10039179150 |
28 | 10039179150 |
29 | 582272390700 |
30 | 1164544781400 |
[1,1,1,6,3,15,30,420,105,315,315,6930,3465,90090, 180180,72072,9009,153153,153153,5819814,14549535, 14549535,29099070,1338557220,334639305,1673196525, 1673196525,10039179150,10039179150,582272390700, 1164544781400] |