n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 5 |
4 | 23 |
5 | 121 |
6 | 673 |
7 | 3953 |
8 | 23891 |
9 | 148321 |
10 | 938257 |
11 | 6031565 |
12 | 39273839 |
13 | 258529513 |
14 | 1717533025 |
15 | 11501168105 |
16 | 77546905595 |
17 | 526026614209 |
18 | 3587296445473 |
19 | 24580453618709 |
20 | 169145840067335 |
21 | 1168420570513177 |
22 | 8099287225541473 |
23 | 56320768883163425 |
24 | 392777334265548323 |
[1,1,5,23,121,673,3953,23891,148321,938257, 6031565,39273839,258529513,1717533025,11501168105, 77546905595,526026614209,3587296445473, 24580453618709,169145840067335,1168420570513177, 8099287225541473,56320768883163425, 392777334265548323] |