n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 9 |
5 | 39 |
6 | 189 |
7 | 1137 |
8 | 7521 |
9 | 58221 |
10 | 487521 |
11 | 4615623 |
12 | 46747449 |
13 | 523484019 |
14 | 6218441469 |
15 | 80413567317 |
16 | 1095843999681 |
17 | 16072230046041 |
18 | 247107215918241 |
19 | 4053246141598443 |
20 | 69395454770712489 |
21 | 1258826280827924799 |
22 | 23749475226740969949 |
23 | 472083799922946212697 |
24 | 9730211267060692468641 |
25 | 210327336751547848824261 |
26 | 4701988645468367963255361 |
27 | 109812853605044722106919663 |
[1,1,1,3,9,39,189,1137,7521,58221,487521,4615623, 46747449,523484019,6218441469,80413567317, 1095843999681,16072230046041,247107215918241, 4053246141598443,69395454770712489, 1258826280827924799,23749475226740969949, 472083799922946212697,9730211267060692468641, 210327336751547848824261, 4701988645468367963255361, 109812853605044722106919663] |