n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 0 |
3 | 15 |
4 | -136 |
5 | 885 |
6 | -4896 |
7 | 43085 |
8 | -787200 |
9 | 7775271 |
10 | 326355200 |
11 | -22138191801 |
12 | 781498160640 |
13 | -18924340012435 |
14 | 239123351330304 |
15 | 5915023788331125 |
16 | -568462201562300416 |
17 | 25327272129182225295 |
18 | -795994018378027868160 |
19 | 15538852668590468027711 |
[1,-1,0,15,-136,885,-4896,43085,-787200,7775271, 326355200,-22138191801,781498160640, -18924340012435,239123351330304,5915023788331125, -568462201562300416,25327272129182225295, -795994018378027868160,15538852668590468027711] |