n | a(n) |
---|---|
0 | 1 |
1 | -18 |
2 | 135 |
3 | -510 |
4 | 765 |
5 | 1242 |
6 | -7038 |
7 | 8280 |
8 | 9180 |
9 | -27710 |
10 | 3519 |
11 | 20196 |
12 | 50370 |
13 | -68850 |
14 | -153765 |
15 | 244782 |
16 | 52785 |
17 | -71010 |
18 | -130525 |
19 | -343620 |
20 | 517293 |
21 | 54978 |
22 | 498780 |
23 | -390150 |
24 | -1835865 |
25 | 1161270 |
26 | 896751 |
27 | 793730 |
28 | -633420 |
[1,-18,135,-510,765,1242,-7038,8280,9180,-27710, 3519,20196,50370,-68850,-153765,244782,52785, -71010,-130525,-343620,517293,54978,498780, -390150,-1835865,1161270,896751,793730,-633420] |