n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 3 |
3 | -13 |
4 | 73 |
5 | -501 |
6 | 4051 |
7 | -37633 |
8 | 394353 |
9 | -4596553 |
10 | 58941091 |
11 | -824073141 |
12 | 12470162233 |
13 | -202976401213 |
14 | 3535017524403 |
15 | -65573803186921 |
16 | 1290434218669921 |
17 | -26846616451246353 |
18 | 588633468315403843 |
19 | -13564373693588558173 |
20 | 327697927886085654441 |
[1,-1,3,-13,73,-501,4051,-37633,394353,-4596553, 58941091,-824073141,12470162233,-202976401213, 3535017524403,-65573803186921,1290434218669921, -26846616451246353,588633468315403843, -13564373693588558173,327697927886085654441] |