n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 17 |
4 | 83 |
5 | 577 |
6 | 5425 |
7 | 65221 |
8 | 959145 |
9 | 16703045 |
10 | 336294539 |
11 | 7687013743 |
12 | 196668883339 |
13 | 5568107204467 |
14 | 172833125462925 |
15 | 5836126964882633 |
16 | 212987232417299345 |
17 | 8353651173273885025 |
18 | 350415859403143234243 |
19 | 15654265239209850186247 |
20 | 741991467954126579131811 |
[1,2,5,17,83,577,5425,65221,959145,16703045, 336294539,7687013743,196668883339,5568107204467, 172833125462925,5836126964882633, 212987232417299345,8353651173273885025, 350415859403143234243,15654265239209850186247, 741991467954126579131811] |