n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 7 |
6 | 19 |
7 | 34 |
8 | 67 |
9 | 102 |
10 | 115 |
11 | 190 |
12 | 2066 |
13 | 24381 |
14 | 24398 |
15 | 24399 |
16 | 36130540 |
17 | 409493529 |
18 | 3744514071 |
19 | 17951662018 |
20 | 71184216405 |
[1,2,3,6,7,19,34,67,102,115,190,2066,24381,24398, 24399,36130540,409493529,3744514071,17951662018, 71184216405] |