n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -2 |
3 | -6 |
4 | -14 |
5 | -26 |
6 | -30 |
7 | 30 |
8 | 330 |
9 | 1286 |
10 | 3538 |
11 | 6910 |
12 | 5434 |
13 | -28618 |
14 | -182302 |
15 | -654098 |
16 | -1693750 |
17 | -2852570 |
18 | 264050 |
19 | 25822302 |
20 | 126877786 |
21 | 411465750 |
22 | 956711938 |
23 | 1191638734 |
24 | -2480333334 |
25 | -23263594746 |
26 | -96124321390 |
[1,0,-2,-6,-14,-26,-30,30,330,1286,3538,6910,5434, -28618,-182302,-654098,-1693750,-2852570,264050, 25822302,126877786,411465750,956711938,1191638734, -2480333334,-23263594746,-96124321390] |