n | a(n) |
---|---|
0 | 1 |
1 | -5 |
2 | 15 |
3 | -5 |
4 | -5 |
5 | -3 |
6 | -5 |
7 | -5 |
8 | -45 |
9 | -55 |
10 | -143 |
11 | -195 |
12 | -1105 |
13 | -1615 |
14 | -4845 |
15 | -7429 |
16 | -185725 |
17 | -294975 |
18 | -950475 |
19 | -1550775 |
20 | -10235115 |
21 | -17058525 |
22 | -57378675 |
23 | -97294275 |
24 | -1329688425 |
25 | -2287064091 |
26 | -7916760315 |
27 | -13781027215 |
[1,-5,15,-5,-5,-3,-5,-5,-45,-55,-143,-195,-1105, -1615,-4845,-7429,-185725,-294975,-950475, -1550775,-10235115,-17058525,-57378675,-97294275, -1329688425,-2287064091,-7916760315,-13781027215] |