n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 46 |
4 | 2206 |
5 | 4870846 |
6 | 23725150497406 |
7 | 562882766124611619513723646 |
8 | 316837008400094222150776738483768236006420971486980606 |
[2,6,46,2206,4870846,23725150497406, 562882766124611619513723646, 31683700840009422215077673848376823600642097148698\ 0606] |