n | a(n) |
---|---|
2 | 1 |
3 | 5 |
4 | 24 |
5 | 134 |
6 | 895 |
7 | 7041 |
8 | 63840 |
9 | 654900 |
10 | 7491573 |
11 | 94470925 |
12 | 1301130776 |
13 | 19423173210 |
14 | 312256205651 |
15 | 5376809244457 |
16 | 98700795776640 |
17 | 1923638785344456 |
18 | 39661911384761865 |
19 | 862362968121278037 |
20 | 19717031047061570776 |
21 | 472849461034147171790 |
22 | 11866892471399392308231 |
[1,5,24,134,895,7041,63840,654900,7491573, 94470925,1301130776,19423173210,312256205651, 5376809244457,98700795776640,1923638785344456, 39661911384761865,862362968121278037, 19717031047061570776,472849461034147171790, 11866892471399392308231] |