n | a(n) |
---|---|
1 | 2 |
2 | 21 |
3 | 213 |
4 | 2130 |
5 | 21302 |
6 | 213021 |
7 | 2130213 |
8 | 21302130 |
9 | 213021302 |
10 | 2130213021 |
11 | 21302130213 |
12 | 213021302130 |
13 | 2130213021302 |
14 | 21302130213021 |
15 | 213021302130213 |
16 | 2130213021302130 |
17 | 21302130213021302 |
18 | 213021302130213021 |
19 | 2130213021302130213 |
20 | 21302130213021302130 |
[2,21,213,2130,21302,213021,2130213,21302130, 213021302,2130213021,21302130213,213021302130, 2130213021302,21302130213021,213021302130213, 2130213021302130,21302130213021302, 213021302130213021,2130213021302130213, 21302130213021302130] |