n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 16 |
5 | 145 |
6 | 1536 |
7 | 19579 |
8 | 290816 |
9 | 4942305 |
10 | 94689280 |
11 | 2020278931 |
12 | 47523053568 |
13 | 1222147737265 |
14 | 34117226135552 |
15 | 1027550555918475 |
16 | 33213871550365696 |
17 | 1146891651823112641 |
18 | 42135941698113503232 |
19 | 1641164216596258397347 |
20 | 67550839668807638712320 |
[1,2,3,16,145,1536,19579,290816,4942305,94689280, 2020278931,47523053568,1222147737265, 34117226135552,1027550555918475,33213871550365696, 1146891651823112641,42135941698113503232, 1641164216596258397347,67550839668807638712320] |