n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 13 |
6 | 93 |
7 | 809 |
8 | 11005 |
9 | 260793 |
10 | 11715808 |
11 | 1006698524 |
12 | 164059824899 |
13 | 50335907853919 |
14 | 29003487462805642 |
15 | 31397381142761123838 |
16 | 63969560113225175845492 |
17 | 245871831682084026518599099 |
18 | 1787331725248899088890197955308 |
19 | 24636021429399867655322650752269938 |
[0,0,0,2,13,93,809,11005,260793,11715808, 1006698524,164059824899,50335907853919, 29003487462805642,31397381142761123838, 63969560113225175845492, 245871831682084026518599099, 1787331725248899088890197955308, 24636021429399867655322650752269938] |