n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 18 |
5 | 138 |
6 | 4642 |
7 | 211600 |
8 | 13511246 |
9 | 1092862024 |
10 | 109276859229 |
11 | 13221974420985 |
12 | 1903936637405380 |
13 | 321762396855180477 |
14 | 63065061524052355523 |
15 | 14189582409276961769144 |
16 | 3632522968870016652531332 |
17 | 1049797035002712952582167891 |
18 | 340133739324533632977813192678 |
[1,0,1,2,18,138,4642,211600,13511246,1092862024, 109276859229,13221974420985,1903936637405380, 321762396855180477,63065061524052355523, 14189582409276961769144,3632522968870016652531332, 1049797035002712952582167891, 340133739324533632977813192678] |