n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 40 |
4 | 385 |
5 | 4095 |
6 | 46376 |
7 | 548340 |
8 | 6690585 |
9 | 83615350 |
10 | 1064887395 |
11 | 13770292256 |
12 | 180320238280 |
13 | 2386316821325 |
14 | 31864803599700 |
15 | 428798445360120 |
16 | 5809228810425801 |
17 | 79168272296871450 |
18 | 1084567603590147950 |
[1,5,40,385,4095,46376,548340,6690585,83615350, 1064887395,13770292256,180320238280,2386316821325, 31864803599700,428798445360120,5809228810425801, 79168272296871450,1084567603590147950] |