n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 16 |
6 | 61 |
7 | 216 |
8 | 937 |
9 | -1280 |
10 | -34919 |
11 | -1141504 |
12 | -13257619 |
13 | -263392128 |
14 | -3269873515 |
15 | -64804059904 |
16 | -890367567919 |
17 | -18858549039104 |
18 | -286428853272143 |
19 | -6592583427379200 |
20 | -109915623105978539 |
[1,1,1,2,5,16,61,216,937,-1280,-34919,-1141504, -13257619,-263392128,-3269873515,-64804059904, -890367567919,-18858549039104,-286428853272143, -6592583427379200,-109915623105978539] |