n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | -2 |
4 | -1 |
5 | 12 |
6 | 20 |
7 | -113 |
8 | -430 |
9 | 1278 |
10 | 10821 |
11 | -10234 |
12 | -317048 |
13 | -384915 |
14 | 10352420 |
15 | 42836466 |
16 | -340348905 |
17 | -3180089128 |
18 | 8045616512 |
19 | 219303897655 |
20 | 301713947470 |
21 | -14401913182942 |
22 | -84197219028827 |
23 | 824481606288554 |
24 | 11426928115546036 |
25 | -23133559937561187 |
[1,1,0,-2,-1,12,20,-113,-430,1278,10821,-10234, -317048,-384915,10352420,42836466,-340348905, -3180089128,8045616512,219303897655,301713947470, -14401913182942,-84197219028827,824481606288554, 11426928115546036,-23133559937561187] |