n | a(n) |
---|---|
0 | 1 |
1 | -120 |
2 | 5400 |
3 | -104160 |
4 | 511800 |
5 | 6770736 |
6 | -19504800 |
7 | -452207040 |
8 | -2959622280 |
9 | -12932941080 |
10 | -44497080432 |
11 | -129918587040 |
12 | -335811977760 |
13 | -788655411600 |
14 | -1714912983360 |
15 | -3498061536576 |
16 | -6761506680840 |
17 | -12481939678320 |
18 | -22138262633160 |
19 | -37922739116640 |
[1,-120,5400,-104160,511800,6770736,-19504800, -452207040,-2959622280,-12932941080,-44497080432, -129918587040,-335811977760,-788655411600, -1714912983360,-3498061536576,-6761506680840, -12481939678320,-22138262633160,-37922739116640] |