n | a(n) |
---|---|
1 | 1 |
2 | -4 |
3 | 26 |
4 | -208 |
5 | 1859 |
6 | -17790 |
7 | 178308 |
8 | -1847882 |
9 | 19640154 |
10 | -212911066 |
11 | 2345049018 |
12 | -26168243862 |
13 | 295214515662 |
14 | -3361428239216 |
15 | 38580429168968 |
16 | -445874925644701 |
17 | 5184317812361117 |
18 | -60603410700370525 |
19 | 711826341810784570 |
20 | -8396670336877539127 |
21 | 99428914632341468974 |
[1,-4,26,-208,1859,-17790,178308,-1847882, 19640154,-212911066,2345049018,-26168243862, 295214515662,-3361428239216,38580429168968, -445874925644701,5184317812361117, -60603410700370525,711826341810784570, -8396670336877539127,99428914632341468974] |