n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 5 |
7 | 39 |
8 | 394 |
9 | 2784 |
10 | 19164 |
11 | 118762 |
12 | 579460 |
13 | 3110267 |
14 | 15264387 |
15 | 75007623 |
16 | 369928203 |
17 | 1817475619 |
18 | 8913862144 |
19 | 43914857957 |
20 | 216555328193 |
21 | 1070588132492 |
[0,0,0,0,0,5,39,394,2784,19164,118762,579460, 3110267,15264387,75007623,369928203,1817475619, 8913862144,43914857957,216555328193,1070588132492] |