n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | -15 |
4 | 80 |
5 | -255 |
6 | 432 |
7 | 1020 |
8 | -12510 |
9 | 71595 |
10 | -354070 |
11 | 1570104 |
12 | -5622420 |
13 | 13438045 |
14 | -4035840 |
15 | -135362385 |
16 | 608528868 |
17 | -646486560 |
18 | -5733423180 |
19 | 27001866935 |
20 | 58064077890 |
21 | -1517240012304 |
22 | 12354566895940 |
23 | -72313804557375 |
24 | 336406302349200 |
25 | -1168330262135925 |
26 | 1853669275129548 |
[1,0,-15,80,-255,432,1020,-12510,71595,-354070, 1570104,-5622420,13438045,-4035840,-135362385, 608528868,-646486560,-5733423180,27001866935, 58064077890,-1517240012304,12354566895940, -72313804557375,336406302349200,-1168330262135925, 1853669275129548] |