n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 45 |
4 | 371 |
5 | 3225 |
6 | 29007 |
7 | 267239 |
8 | 2506605 |
9 | 23842644 |
10 | 229369064 |
11 | 2227345899 |
12 | 21801617643 |
13 | 214862158025 |
14 | 2130226863222 |
15 | 21231722675274 |
16 | 212613977684254 |
17 | 2138164077605865 |
18 | 21585420400120710 |
19 | 218677042735538547 |
[1,1,6,45,371,3225,29007,267239,2506605,23842644, 229369064,2227345899,21801617643,214862158025, 2130226863222,21231722675274,212613977684254, 2138164077605865,21585420400120710, 218677042735538547] |