n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 3 |
4 | 16 |
5 | 95 |
6 | 672 |
7 | 5397 |
8 | 48704 |
9 | 487917 |
10 | 5373920 |
11 | 64547175 |
12 | 839703696 |
13 | 11762247419 |
14 | 176509466560 |
15 | 2825125339305 |
16 | 48040633506048 |
17 | 864932233294681 |
18 | 16436901752820288 |
19 | 328791893988472843 |
20 | 6905593482159150480 |
21 | 151941269284478380119 |
22 | 3495011687269591273312 |
[1,1,0,3,16,95,672,5397,48704,487917,5373920, 64547175,839703696,11762247419,176509466560, 2825125339305,48040633506048,864932233294681, 16436901752820288,328791893988472843, 6905593482159150480,151941269284478380119, 3495011687269591273312] |