n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -1 |
3 | 2 |
4 | 0 |
5 | 9 |
6 | 35 |
7 | 230 |
8 | 1624 |
9 | 13209 |
10 | 120287 |
11 | 1214674 |
12 | 13469896 |
13 | 162744945 |
14 | 2128047987 |
15 | 29943053062 |
16 | 451123462672 |
17 | 7245940789073 |
18 | 123604151490591 |
19 | 2231697509543362 |
20 | 42519034050101744 |
21 | 852495597142800377 |
22 | 17942811657908144163 |
23 | 395553947953212635718 |
24 | 9114871523102565301544 |
25 | 219135339782236105192745 |
[0,1,-1,2,0,9,35,230,1624,13209,120287,1214674, 13469896,162744945,2128047987,29943053062, 451123462672,7245940789073,123604151490591, 2231697509543362,42519034050101744, 852495597142800377,17942811657908144163, 395553947953212635718,9114871523102565301544, 219135339782236105192745] |