n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 0 |
4 | 4 |
5 | 5 |
6 | 96 |
7 | 427 |
8 | 6448 |
9 | 56961 |
10 | 892720 |
11 | 11905091 |
12 | 211153944 |
13 | 3692964145 |
14 | 75701219608 |
15 | 1613086090995 |
16 | 38084386700896 |
17 | 949168254452993 |
18 | 25524123909350112 |
19 | 725717102391257347 |
20 | 21955114496683796680 |
[1,1,0,4,5,96,427,6448,56961,892720,11905091, 211153944,3692964145,75701219608,1613086090995, 38084386700896,949168254452993,25524123909350112, 725717102391257347,21955114496683796680] |