n | a(n) |
---|---|
2 | 3 |
3 | 105 |
4 | 2590 |
5 | 57015 |
6 | 1165626 |
7 | 22834812 |
8 | 433178460 |
9 | 8036703675 |
10 | 146451924190 |
11 | 2632740298188 |
12 | 46790614294788 |
13 | 824017920352900 |
14 | 14397367664647800 |
15 | 249906966022292400 |
16 | 4312825574857068600 |
17 | 74063143648813911075 |
[3,105,2590,57015,1165626,22834812,433178460, 8036703675,146451924190,2632740298188, 46790614294788,824017920352900,14397367664647800, 249906966022292400,4312825574857068600, 74063143648813911075] |