n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 0 |
3 | 27 |
4 | -416 |
5 | 5625 |
6 | -74304 |
7 | 924385 |
8 | -8626176 |
9 | -48361131 |
10 | 7124800000 |
11 | -340421390199 |
12 | 13686496542720 |
13 | -522760216822129 |
14 | 19658830846298112 |
15 | -735037915447265625 |
16 | 27218267709730979840 |
17 | -980444996625142158435 |
18 | 32830565919734078521344 |
19 | -889052809376495994642527 |
[1,-1,0,27,-416,5625,-74304,924385,-8626176, -48361131,7124800000,-340421390199,13686496542720, -522760216822129,19658830846298112, -735037915447265625,27218267709730979840, -980444996625142158435,32830565919734078521344, -889052809376495994642527] |