n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 25 |
5 | 182 |
6 | 1256 |
7 | 7396 |
8 | 39891 |
9 | 210384 |
10 | 1168317 |
11 | 7080023 |
12 | 45942141 |
13 | 304138329 |
14 | 1984289501 |
15 | 12627984625 |
16 | 79001714951 |
17 | 493690545161 |
18 | 3127108593615 |
19 | 20194195021000 |
20 | 132397182653318 |
21 | 873218912983165 |
22 | 5749093679423621 |
[1,2,5,25,182,1256,7396,39891,210384,1168317, 7080023,45942141,304138329,1984289501,12627984625, 79001714951,493690545161,3127108593615, 20194195021000,132397182653318,873218912983165, 5749093679423621] |