n | a(n) |
---|---|
0 | 1 |
1 | -30 |
2 | 375 |
3 | -2350 |
4 | 5625 |
5 | 18594 |
6 | -159470 |
7 | 264000 |
8 | 897090 |
9 | -3531910 |
10 | -1435527 |
11 | 16983900 |
12 | 18552080 |
13 | -93541590 |
14 | -225801585 |
15 | 676209374 |
16 | 1172571840 |
17 | -2433574980 |
18 | -6300652790 |
19 | 673571550 |
20 | 37882244124 |
[1,-30,375,-2350,5625,18594,-159470,264000,897090, -3531910,-1435527,16983900,18552080,-93541590, -225801585,676209374,1172571840,-2433574980, -6300652790,673571550,37882244124] |