n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -2 |
3 | 19 |
4 | -260 |
5 | 4966 |
6 | -121328 |
7 | 3613996 |
8 | -127035920 |
9 | 5147600680 |
10 | -236245559984 |
11 | 12112405259560 |
12 | -686148484748480 |
13 | 42560312499982720 |
14 | -2868921992458611200 |
15 | 208828244778853125376 |
16 | -16324500711130356582656 |
17 | 1363986660232205656646272 |
[1,1,-2,19,-260,4966,-121328,3613996,-127035920, 5147600680,-236245559984,12112405259560, -686148484748480,42560312499982720, -2868921992458611200,208828244778853125376, -16324500711130356582656, 1363986660232205656646272] |