n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 47 |
5 | 239 |
6 | 1439 |
7 | 10079 |
8 | 80639 |
9 | 725759 |
10 | 7257599 |
11 | 79833599 |
12 | 958003199 |
13 | 12454041599 |
14 | 174356582399 |
15 | 2615348735999 |
16 | 41845579775999 |
17 | 711374856191999 |
18 | 12804747411455999 |
19 | 243290200817663999 |
20 | 4865804016353279999 |
[1,1,3,11,47,239,1439,10079,80639,725759,7257599, 79833599,958003199,12454041599,174356582399, 2615348735999,41845579775999,711374856191999, 12804747411455999,243290200817663999, 4865804016353279999] |