n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -2 |
3 | -3 |
4 | -3 |
5 | 40 |
6 | 477 |
7 | 4375 |
8 | 45154 |
9 | 486817 |
10 | 5002397 |
11 | 54970652 |
12 | 732601449 |
13 | 10046371231 |
14 | 113632306694 |
15 | 1051655108629 |
16 | 12585372336141 |
17 | 202763995934160 |
18 | -863641466773595 |
19 | -247388278229558697 |
20 | -10810815349601723990 |
21 | -311011007642247422759 |
[1,-1,-2,-3,-3,40,477,4375,45154,486817,5002397, 54970652,732601449,10046371231,113632306694, 1051655108629,12585372336141,202763995934160, -863641466773595,-247388278229558697, -10810815349601723990,-311011007642247422759] |