n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 30 |
6 | 545 |
7 | 7770 |
8 | 95781 |
9 | 1071630 |
10 | 11192665 |
11 | 111095490 |
12 | 1060634861 |
13 | 9822843030 |
14 | 88799732385 |
15 | 787259974410 |
16 | 6869327386741 |
17 | 59158464019230 |
18 | 503954741177705 |
19 | 4254156112792530 |
20 | 35637875826743421 |
21 | 296621138907400230 |
22 | 2455329298857576625 |
[0,0,0,0,1,30,545,7770,95781,1071630,11192665, 111095490,1060634861,9822843030,88799732385, 787259974410,6869327386741,59158464019230, 503954741177705,4254156112792530, 35637875826743421,296621138907400230, 2455329298857576625] |