n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 15 |
4 | 148 |
5 | 1845 |
6 | 27906 |
7 | 496951 |
8 | 10188872 |
9 | 236425545 |
10 | 6125795110 |
11 | 175311670611 |
12 | 5492360400924 |
13 | 186965800764925 |
14 | 6871755333266474 |
15 | 271213787997489135 |
16 | 11440441827615801616 |
17 | 513645612633274386705 |
[1,0,2,15,148,1845,27906,496951,10188872, 236425545,6125795110,175311670611,5492360400924, 186965800764925,6871755333266474, 271213787997489135,11440441827615801616, 513645612633274386705] |