n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 4 |
4 | -5 |
5 | 17 |
6 | -40 |
7 | 144 |
8 | -459 |
9 | 1517 |
10 | -5111 |
11 | 17747 |
12 | -62074 |
13 | 219292 |
14 | -782602 |
15 | 2816664 |
16 | -10205754 |
17 | 37203230 |
18 | -136360106 |
19 | 502219652 |
20 | -1857659296 |
21 | 6897983144 |
22 | -25704335380 |
23 | 96090440940 |
24 | -360265425619 |
25 | 1354343161419 |
26 | -5103948546609 |
27 | 19278502980063 |
28 | -72972099256954 |
[1,1,0,4,-5,17,-40,144,-459,1517,-5111,17747, -62074,219292,-782602,2816664,-10205754,37203230, -136360106,502219652,-1857659296,6897983144, -25704335380,96090440940,-360265425619, 1354343161419,-5103948546609,19278502980063, -72972099256954] |