n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 36 |
4 | 280 |
5 | 2201 |
6 | 17325 |
7 | 136396 |
8 | 1073840 |
9 | 8454321 |
10 | 66560725 |
11 | 524031476 |
12 | 4125691080 |
13 | 32481497161 |
14 | 255726286205 |
15 | 2013328792476 |
16 | 15850904053600 |
17 | 124793903636321 |
18 | 982500325036965 |
19 | 7735208696659396 |
20 | 60899169248238200 |
21 | 479458145289246201 |
22 | 3774765993065731405 |
[1,5,36,280,2201,17325,136396,1073840,8454321, 66560725,524031476,4125691080,32481497161, 255726286205,2013328792476,15850904053600, 124793903636321,982500325036965,7735208696659396, 60899169248238200,479458145289246201, 3774765993065731405] |