n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 0 |
4 | 1 |
5 | -1 |
6 | 1 |
7 | -4 |
8 | 11 |
9 | -18 |
10 | 18 |
11 | 0 |
12 | -60 |
13 | 189 |
14 | -360 |
15 | 453 |
16 | -373 |
17 | 294 |
18 | -652 |
19 | 1443 |
20 | -841 |
21 | -6127 |
22 | 27681 |
23 | -75150 |
24 | 172371 |
25 | -389662 |
26 | 867415 |
27 | -1630604 |
28 | 1826409 |
29 | 1738343 |
30 | -15855044 |
31 | 49812000 |
32 | -109702703 |
33 | 186277940 |
34 | -229343877 |
35 | 86783346 |
36 | 618570769 |
37 | -2635628596 |
[1,-1,0,1,-1,1,-4,11,-18,18,0,-60,189,-360,453, -373,294,-652,1443,-841,-6127,27681,-75150,172371, -389662,867415,-1630604,1826409,1738343,-15855044, 49812000,-109702703,186277940,-229343877,86783346, 618570769,-2635628596] |