n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 57 |
6 | 2185 |
7 | 72881 |
8 | 2322629 |
9 | 73949186 |
10 | 2410067138 |
11 | 81563004129 |
12 | 2892108485341 |
13 | 108078014350565 |
14 | 4273605661408932 |
15 | 179311027612775138 |
16 | 7999342346440002428 |
17 | 379986003510210048053 |
18 | 19238835001520254448553 |
[0,0,0,0,1,57,2185,72881,2322629,73949186, 2410067138,81563004129,2892108485341, 108078014350565,4273605661408932, 179311027612775138,7999342346440002428, 379986003510210048053,19238835001520254448553] |