n | a(n) |
---|---|
0 | 0 |
1 | -10720 |
2 | 46144 |
3 | -406944 |
4 | 27728000 |
5 | 421271200 |
6 | 2938887360 |
7 | 13857016544 |
8 | 50936525056 |
9 | 157077960480 |
10 | 424598062400 |
11 | 1035360742240 |
12 | 2323482102144 |
13 | 4869001213856 |
14 | 9632766324160 |
15 | 18144829893600 |
16 | 32760875409920 |
17 | 57003614246944 |
18 | 96008691963456 |
19 | 157097430355040 |
[0,-10720,46144,-406944,27728000,421271200, 2938887360,13857016544,50936525056,157077960480, 424598062400,1035360742240,2323482102144, 4869001213856,9632766324160,18144829893600, 32760875409920,57003614246944,96008691963456, 157097430355040] |