n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 31 |
5 | 286 |
6 | 4600 |
7 | 130664 |
8 | 6619840 |
9 | 591478944 |
10 | 93683332808 |
11 | 26438906945728 |
12 | 13204957909414302 |
13 | 11705869922500953011 |
14 | 18478647155522687153022 |
15 | 51703789444327985876248510 |
16 | 256918480515843999119385185643 |
[1,2,6,31,286,4600,130664,6619840,591478944, 93683332808,26438906945728,13204957909414302, 11705869922500953011,18478647155522687153022, 51703789444327985876248510, 256918480515843999119385185643] |