n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 0 |
4 | -3 |
5 | 4 |
6 | 69 |
7 | 136 |
8 | -1159 |
9 | 1744 |
10 | 115081 |
11 | 652864 |
12 | -3250827 |
13 | 16365504 |
14 | 1156388557 |
15 | 12624963456 |
16 | -12628752143 |
17 | 910310355200 |
18 | 42394317198097 |
19 | 735663001262080 |
20 | 2830775181039853 |
21 | 125940707707991040 |
[1,1,1,0,-3,4,69,136,-1159,1744,115081,652864, -3250827,16365504,1156388557,12624963456, -12628752143,910310355200,42394317198097, 735663001262080,2830775181039853, 125940707707991040] |