n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 19 |
6 | 476 |
7 | 7180 |
8 | 86637 |
9 | 954456 |
10 | 9919519 |
11 | 99655858 |
12 | 979052296 |
13 | 9484975460 |
14 | 91050561862 |
15 | 868774394325 |
16 | 8257228721817 |
17 | 78288453457352 |
18 | 741199448968875 |
[0,0,0,0,19,476,7180,86637,954456,9919519, 99655858,979052296,9484975460,91050561862, 868774394325,8257228721817,78288453457352, 741199448968875] |