n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -7 |
3 | -33 |
4 | 105 |
5 | 5199 |
6 | 64953 |
7 | -46593 |
8 | -21769335 |
9 | -497664081 |
10 | -1941272487 |
11 | 256114020447 |
12 | 9566995408425 |
13 | 99966666676239 |
14 | -6245895772363527 |
15 | -366865939437422913 |
16 | -6924777575908002615 |
17 | 259022993102904450159 |
18 | 24387711970312991335833 |
19 | 716398360186298080983327 |
[1,-1,-7,-33,105,5199,64953,-46593,-21769335, -497664081,-1941272487,256114020447,9566995408425, 99966666676239,-6245895772363527, -366865939437422913,-6924777575908002615, 259022993102904450159,24387711970312991335833, 716398360186298080983327] |