n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 8 |
3 | 204 |
4 | 890 |
5 | 890 |
6 | 51311 |
7 | 286609 |
8 | 3580781 |
9 | 20875184 |
10 | 182289612 |
11 | 747240110 |
12 | 8656547082 |
13 | 8656547082 |
14 | 105545557489 |
15 | 783768630338 |
16 | 15026453160167 |
17 | 114725244868970 |
18 | 1045247300817798 |
19 | 9187315290370043 |
20 | 20586210475743186 |
21 | 20586210475743186 |
[0,1,8,204,890,890,51311,286609,3580781,20875184, 182289612,747240110,8656547082,8656547082, 105545557489,783768630338,15026453160167, 114725244868970,1045247300817798,9187315290370043, 20586210475743186,20586210475743186] |