n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 39 |
4 | 417 |
5 | 5685 |
6 | 94365 |
7 | 1847475 |
8 | 41686785 |
9 | 1065288105 |
10 | 30411314325 |
11 | 959236098975 |
12 | 33129890726625 |
13 | 1243507150410525 |
14 | 50401090111697325 |
15 | 2193907232242600875 |
16 | 102075654396429338625 |
17 | 5055304328553234380625 |
18 | 265522264682686831945125 |
19 | 14742355948224269570580375 |
[1,1,5,39,417,5685,94365,1847475,41686785, 1065288105,30411314325,959236098975, 33129890726625,1243507150410525,50401090111697325, 2193907232242600875,102075654396429338625, 5055304328553234380625,265522264682686831945125, 14742355948224269570580375] |