n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 9 |
4 | 64 |
5 | 595 |
6 | 7416 |
7 | 111979 |
8 | 1989632 |
9 | 40695561 |
10 | 941667040 |
11 | 24323649361 |
12 | 693818707968 |
13 | 21661372820971 |
14 | 734712173277824 |
15 | 26902827107293635 |
16 | 1057724890214957056 |
17 | 44442356900221356241 |
18 | 1987370544970750468608 |
19 | 94240073170115929379161 |
20 | 4723448516579307027169280 |
21 | 249510355552473169494452931 |
22 | 13854414947224528743034304512 |
23 | 806733172355775780726416256859 |
[1,2,9,64,595,7416,111979,1989632,40695561, 941667040,24323649361,693818707968,21661372820971, 734712173277824,26902827107293635, 1057724890214957056,44442356900221356241, 1987370544970750468608,94240073170115929379161, 4723448516579307027169280, 249510355552473169494452931, 13854414947224528743034304512, 806733172355775780726416256859] |