n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 21 |
3 | 1221 |
4 | 3231 |
5 | 233231 |
6 | 533221 |
7 | 15534221 |
8 | 3514334231 |
9 | 3534533241 |
10 | 3544832231 |
11 | 183544733221 |
12 | 28172544634231 |
13 | 2827162554535241 |
14 | 2827265554337241 |
15 | 2837267544338231 |
16 | 3847264544637221 |
17 | 3847362564636221 |
18 | 2837662564536221 |
19 | 2827863534537221 |
20 | 3837564524538221 |
[1,1,21,1221,3231,233231,533221,15534221, 3514334231,3534533241,3544832231,183544733221, 28172544634231,2827162554535241,2827265554337241, 2837267544338231,3847264544637221, 3847362564636221,2837662564536221, 2827863534537221,3837564524538221] |