n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 49 |
4 | 365 |
5 | 3001 |
6 | 26193 |
7 | 238119 |
8 | 2230151 |
9 | 21368167 |
10 | 208459419 |
11 | 2063563791 |
12 | 20675793627 |
13 | 209277092776 |
14 | 2136720896514 |
15 | 21979879393677 |
16 | 227582114799201 |
17 | 2369983696546858 |
18 | 24806423607475896 |
19 | 260829829404493787 |
20 | 2753744691645428399 |
[1,2,8,49,365,3001,26193,238119,2230151,21368167, 208459419,2063563791,20675793627,209277092776, 2136720896514,21979879393677,227582114799201, 2369983696546858,24806423607475896, 260829829404493787,2753744691645428399] |