n | a(n) |
---|---|
0 | 3 |
1 | 10 |
2 | 63 |
3 | 199 |
4 | 1257 |
5 | 3970 |
6 | 25077 |
7 | 79201 |
8 | 500283 |
9 | 1580050 |
10 | 9980583 |
11 | 31521799 |
12 | 199111377 |
13 | 628855930 |
14 | 3972246957 |
15 | 12545596801 |
16 | 79245827763 |
17 | 250283080090 |
18 | 1580944308303 |
19 | 4993116004999 |
20 | 31539640338297 |
[3,10,63,199,1257,3970,25077,79201,500283,1580050, 9980583,31521799,199111377,628855930,3972246957, 12545596801,79245827763,250283080090, 1580944308303,4993116004999,31539640338297] |