n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 24 |
5 | 96 |
6 | 418 |
7 | 1989 |
8 | 10216 |
9 | 56275 |
10 | 330424 |
11 | 2057672 |
12 | 13532060 |
13 | 93633021 |
14 | 679473694 |
15 | 5156626991 |
16 | 40824399712 |
17 | 336406367196 |
18 | 2879570703510 |
19 | 25557841113625 |
20 | 234822774979908 |
21 | 2230107923204443 |
22 | 21861817965483016 |
23 | 220940261740238140 |
24 | 2299258336094622008 |
[1,2,7,24,96,418,1989,10216,56275,330424,2057672, 13532060,93633021,679473694,5156626991, 40824399712,336406367196,2879570703510, 25557841113625,234822774979908,2230107923204443, 21861817965483016,220940261740238140, 2299258336094622008] |