n | a(n) |
---|---|
0 | 1 |
1 | -288 |
2 | -129168 |
3 | -1927296 |
4 | 65152656 |
5 | 1535768640 |
6 | 15223408704 |
7 | 98001292032 |
8 | 474055120080 |
9 | 1870878793824 |
10 | 6312358836000 |
11 | 18835985199744 |
12 | 50831420617152 |
13 | 126257508465984 |
14 | 292348744636032 |
15 | 637474437331200 |
16 | 1319883180896592 |
17 | 2610964045674432 |
18 | 4963491913583664 |
[1,-288,-129168,-1927296,65152656,1535768640, 15223408704,98001292032,474055120080, 1870878793824,6312358836000,18835985199744, 50831420617152,126257508465984,292348744636032, 637474437331200,1319883180896592,2610964045674432, 4963491913583664] |