n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 15 |
4 | 87 |
5 | 201 |
6 | 3123 |
7 | 5769 |
8 | 148347 |
9 | 913761 |
10 | 11541123 |
11 | 39975849 |
12 | 2616723387 |
13 | 6227552241 |
14 | 230557039443 |
15 | 4151870901369 |
16 | 76980002233707 |
17 | 355687471142721 |
18 | 27886053280896963 |
19 | 121645100796252489 |
20 | 10474674957482235867 |
21 | 135117295282596928401 |
22 | 2811664555920692775603 |
[1,5,15,87,201,3123,5769,148347,913761,11541123, 39975849,2616723387,6227552241,230557039443, 4151870901369,76980002233707,355687471142721, 27886053280896963,121645100796252489, 10474674957482235867,135117295282596928401, 2811664555920692775603] |