n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 0 |
4 | 4 |
5 | 4 |
6 | 80 |
7 | 80 |
8 | 4752 |
9 | 4752 |
10 | 440192 |
11 | 440192 |
12 | 59245120 |
13 | 59245120 |
14 | 10930514688 |
15 | 10930514688 |
16 | 2649865335040 |
17 | 2649865335040 |
18 | 817154768973824 |
19 | 817154768973824 |
20 | 312426715251262464 |
21 | 312426715251262464 |
22 | 145060238642780180480 |
23 | 145060238642780180480 |
[1,1,0,0,4,4,80,80,4752,4752,440192,440192, 59245120,59245120,10930514688,10930514688, 2649865335040,2649865335040,817154768973824, 817154768973824,312426715251262464, 312426715251262464,145060238642780180480, 145060238642780180480] |