n | a(n) |
---|---|
0 | -3 |
1 | 0 |
2 | 17 |
3 | 116 |
4 | 693 |
5 | 4056 |
6 | 23657 |
7 | 137900 |
8 | 803757 |
9 | 4684656 |
10 | 27304193 |
11 | 159140516 |
12 | 927538917 |
13 | 5406093000 |
14 | 31509019097 |
15 | 183648021596 |
16 | 1070379110493 |
17 | 6238626641376 |
18 | 36361380737777 |
19 | 211929657785300 |
20 | 1235216565974037 |
[-3,0,17,116,693,4056,23657,137900,803757,4684656, 27304193,159140516,927538917,5406093000, 31509019097,183648021596,1070379110493, 6238626641376,36361380737777,211929657785300, 1235216565974037] |