n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 19 |
3 | 104 |
4 | 641 |
5 | 4364 |
6 | 32251 |
7 | 254176 |
8 | 2091841 |
9 | 17435924 |
10 | 138844931 |
11 | 891248984 |
12 | 263059969 |
13 | -163754125796 |
14 | -4970760027029 |
15 | -117798281164336 |
16 | -2588474951884159 |
17 | -55489648295242204 |
18 | -1184521077396558989 |
19 | -25406942370946446776 |
20 | -549455868757454486399 |
21 | -11980725887273702949076 |
[1,4,19,104,641,4364,32251,254176,2091841, 17435924,138844931,891248984,263059969, -163754125796,-4970760027029,-117798281164336, -2588474951884159,-55489648295242204, -1184521077396558989,-25406942370946446776, -549455868757454486399,-11980725887273702949076] |