n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 2 |
5 | 6 |
6 | 0 |
7 | 6 |
8 | 24 |
9 | 60 |
10 | 0 |
11 | 24 |
12 | 120 |
13 | 360 |
14 | 840 |
15 | 0 |
16 | 120 |
17 | 720 |
18 | 2520 |
19 | 6720 |
20 | 15120 |
21 | 0 |
22 | 720 |
23 | 5040 |
24 | 20160 |
25 | 60480 |
26 | 151200 |
27 | 332640 |
28 | 0 |
29 | 5040 |
30 | 40320 |
31 | 181440 |
32 | 604800 |
33 | 1663200 |
34 | 3991680 |
35 | 8648640 |
36 | 0 |
37 | 40320 |
38 | 362880 |
39 | 1814400 |
40 | 6652800 |
41 | 19958400 |
42 | 51891840 |
43 | 121080960 |
44 | 259459200 |
[1,0,1,0,2,6,0,6,24,60,0,24,120,360,840,0,120,720, 2520,6720,15120,0,720,5040,20160,60480,151200, 332640,0,5040,40320,181440,604800,1663200,3991680, 8648640,0,40320,362880,1814400,6652800,19958400, 51891840,121080960,259459200] |