n | a(n) |
---|---|
1 | 3 |
2 | 23 |
3 | 63 |
4 | 515 |
5 | 3776 |
6 | 28935 |
7 | 212470 |
8 | 1560065 |
9 | 11874071 |
10 | 89657570 |
11 | 673151916 |
12 | 5084857810 |
13 | 38419116117 |
14 | 289855498173 |
15 | 2187847733010 |
16 | 16520252054586 |
17 | 124719171802820 |
18 | 941517564864563 |
19 | 7108226078494466 |
20 | 53665231758411540 |
[3,23,63,515,3776,28935,212470,1560065,11874071, 89657570,673151916,5084857810,38419116117, 289855498173,2187847733010,16520252054586, 124719171802820,941517564864563,7108226078494466, 53665231758411540] |