n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 21 |
4 | 6 |
5 | 148 |
6 | 84 |
7 | 24 |
8 | 1305 |
9 | 1160 |
10 | 540 |
11 | 120 |
12 | 13806 |
13 | 17610 |
14 | 10560 |
15 | 3960 |
16 | 720 |
17 | 170401 |
18 | 296772 |
19 | 214410 |
20 | 104160 |
21 | 32760 |
22 | 5040 |
23 | 2403640 |
24 | 5536440 |
25 | 4692576 |
26 | 2686320 |
27 | 1115520 |
28 | 302400 |
29 | 40320 |
30 | 38143377 |
31 | 113680800 |
32 | 111488328 |
33 | 72080064 |
34 | 35637840 |
[1,1,4,21,6,148,84,24,1305,1160,540,120,13806, 17610,10560,3960,720,170401,296772,214410,104160, 32760,5040,2403640,5536440,4692576,2686320, 1115520,302400,40320,38143377,113680800,111488328, 72080064,35637840] |