n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 15 |
3 | 180 |
4 | 3933 |
5 | 122778 |
6 | 5024727 |
7 | 255694050 |
8 | 15594132825 |
9 | 1110807585090 |
10 | 90665847445059 |
11 | 8355178654847874 |
12 | 859198582766876661 |
13 | 97668423691415577666 |
14 | 12177783763614287432847 |
15 | 1654751006054203510476882 |
16 | 243720706148230009547388465 |
17 | 38730619011753683906970442626 |
[1,3,15,180,3933,122778,5024727,255694050, 15594132825,1110807585090,90665847445059, 8355178654847874,859198582766876661, 97668423691415577666,12177783763614287432847, 1654751006054203510476882, 243720706148230009547388465, 38730619011753683906970442626] |