n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | -2 |
4 | -7 |
5 | -23 |
6 | -80 |
7 | -271 |
8 | -750 |
9 | -647 |
10 | 13039 |
11 | 152011 |
12 | 1232583 |
13 | 8750796 |
14 | 57405464 |
15 | 349329354 |
16 | 1899818951 |
17 | 8008845556 |
18 | 5981853002 |
19 | -425732481925 |
20 | -7285403175563 |
21 | -89895756043392 |
22 | -970910901819211 |
23 | -9663021449412616 |
[0,1,0,-2,-7,-23,-80,-271,-750,-647,13039,152011, 1232583,8750796,57405464,349329354,1899818951, 8008845556,5981853002,-425732481925, -7285403175563,-89895756043392,-970910901819211, -9663021449412616] |