n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 33 |
4 | 285 |
5 | 3081 |
6 | 40005 |
7 | 606033 |
8 | 10491885 |
9 | 204343641 |
10 | 4422082005 |
11 | 105265315233 |
12 | 2733583519485 |
13 | 76902684021801 |
14 | 2329889536156005 |
15 | 75629701786875633 |
16 | 2618654297178083085 |
17 | 96336948993312237561 |
18 | 3752590641305604502005 |
19 | 154294551397830418471233 |
20 | 6677999524135208461382685 |
[1,1,5,33,285,3081,40005,606033,10491885, 204343641,4422082005,105265315233,2733583519485, 76902684021801,2329889536156005,75629701786875633, 2618654297178083085,96336948993312237561, 3752590641305604502005,154294551397830418471233, 6677999524135208461382685] |