n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 5 |
4 | 28 |
5 | 353 |
6 | 3376 |
7 | 66637 |
8 | 908608 |
9 | 24405761 |
10 | 432891136 |
11 | 14712104501 |
12 | 321504185344 |
13 | 13218256749601 |
14 | 343360783937536 |
15 | 16565151205544957 |
16 | 498676704524517376 |
17 | 27614800115689879553 |
18 | 945381827279671853056 |
19 | 59095217374989483261925 |
20 | 2267322327322331161821184 |
21 | 157904201452248753415276001 |
[1,1,5,28,353,3376,66637,908608,24405761, 432891136,14712104501,321504185344,13218256749601, 343360783937536,16565151205544957, 498676704524517376,27614800115689879553, 945381827279671853056,59095217374989483261925, 2267322327322331161821184, 157904201452248753415276001] |