n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 0 |
4 | 24 |
5 | -55 |
6 | 630 |
7 | -2723 |
8 | 30968 |
9 | -294327 |
10 | 3047320 |
11 | -30255379 |
12 | 387690732 |
13 | -5565964391 |
14 | 77090414492 |
15 | -1114263777885 |
16 | 18473122449616 |
17 | -331776991760303 |
18 | 6106973926830192 |
19 | -112710455017397639 |
20 | 2233663985151902860 |
21 | -50049383051597936559 |
[1,0,2,0,24,-55,630,-2723,30968,-294327,3047320, -30255379,387690732,-5565964391,77090414492, -1114263777885,18473122449616,-331776991760303, 6106973926830192,-112710455017397639, 2233663985151902860,-50049383051597936559] |