n | a(n) |
---|---|
0 | 21 |
1 | 221 |
2 | 621 |
3 | 1221 |
4 | 2021 |
5 | 3021 |
6 | 4221 |
7 | 5621 |
8 | 7221 |
9 | 9021 |
10 | 11021 |
11 | 13221 |
12 | 15621 |
13 | 18221 |
14 | 21021 |
15 | 24021 |
16 | 27221 |
17 | 30621 |
18 | 34221 |
19 | 38021 |
20 | 42021 |
21 | 46221 |
22 | 50621 |
23 | 55221 |
24 | 60021 |
25 | 65021 |
26 | 70221 |
27 | 75621 |
28 | 81221 |
29 | 87021 |
30 | 93021 |
31 | 99221 |
32 | 105621 |
33 | 112221 |
34 | 119021 |
35 | 126021 |
36 | 133221 |
37 | 140621 |
38 | 148221 |
[21,221,621,1221,2021,3021,4221,5621,7221,9021, 11021,13221,15621,18221,21021,24021,27221,30621, 34221,38021,42021,46221,50621,55221,60021,65021, 70221,75621,81221,87021,93021,99221,105621,112221, 119021,126021,133221,140621,148221] |