n | a(n) |
---|---|
0 | 1 |
1 | -14 |
2 | 70 |
3 | -140 |
4 | 70 |
5 | 28 |
6 | 28 |
7 | 40 |
8 | 70 |
9 | 140 |
10 | 308 |
11 | 728 |
12 | 1820 |
13 | 4760 |
14 | 12920 |
15 | 36176 |
16 | 104006 |
17 | 305900 |
18 | 917700 |
19 | 2801400 |
20 | 8684340 |
21 | 27293640 |
22 | 86843400 |
23 | 279409200 |
24 | 908079900 |
25 | 2978502072 |
26 | 9851968392 |
27 | 32839894640 |
[1,-14,70,-140,70,28,28,40,70,140,308,728,1820, 4760,12920,36176,104006,305900,917700,2801400, 8684340,27293640,86843400,279409200,908079900, 2978502072,9851968392,32839894640] |