n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | -1 |
4 | -6 |
5 | -30 |
6 | -142 |
7 | -660 |
8 | -3054 |
9 | -14154 |
10 | -65886 |
11 | -308442 |
12 | -1452940 |
13 | -6887508 |
14 | -32852082 |
15 | -157630609 |
16 | -760599954 |
17 | -3689418510 |
18 | -17984138984 |
19 | -88063955880 |
20 | -433048404780 |
21 | -2137792856760 |
22 | -10591472304270 |
23 | -52648861274730 |
24 | -262514740621860 |
25 | -1312653157205088 |
26 | -6580914381986160 |
[1,0,0,-1,-6,-30,-142,-660,-3054,-14154,-65886, -308442,-1452940,-6887508,-32852082,-157630609, -760599954,-3689418510,-17984138984,-88063955880, -433048404780,-2137792856760,-10591472304270, -52648861274730,-262514740621860, -1312653157205088,-6580914381986160] |