n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | -2 |
3 | -152 |
4 | -500 |
5 | 8944 |
6 | 80776 |
7 | -642848 |
8 | -12749168 |
9 | 41573440 |
10 | 2231658976 |
11 | 1443416704 |
12 | -436094810432 |
13 | -2056157249792 |
14 | 93821556641920 |
15 | 893437853515264 |
16 | -21758068879257344 |
17 | -344342377329425408 |
18 | 5280599567735045632 |
19 | 132689328525674014720 |
20 | -1275207738062689547264 |
[1,4,-2,-152,-500,8944,80776,-642848,-12749168, 41573440,2231658976,1443416704,-436094810432, -2056157249792,93821556641920,893437853515264, -21758068879257344,-344342377329425408, 5280599567735045632,132689328525674014720, -1275207738062689547264] |