n | a(n) |
---|---|
0 | 0 |
1 | -1 |
2 | -2 |
3 | -1 |
4 | 148 |
5 | 7499 |
6 | 435898 |
7 | 32241299 |
8 | 3034190248 |
9 | 357512009399 |
10 | 51798976006198 |
11 | 9074564088169799 |
12 | 1893681694795266748 |
13 | 464586802573524130499 |
14 | 132469958743645663494898 |
15 | 43458963744363238693849499 |
16 | 16258850448552441418587853648 |
17 | 6882131151536073693976060834799 |
18 | 3272832457519325432770128200645998 |
[0,-1,-2,-1,148,7499,435898,32241299,3034190248, 357512009399,51798976006198,9074564088169799, 1893681694795266748,464586802573524130499, 132469958743645663494898, 43458963744363238693849499, 16258850448552441418587853648, 6882131151536073693976060834799, 3272832457519325432770128200645998] |