n | a(n) |
---|---|
1 | 113 |
2 | 199 |
3 | 311 |
4 | 337 |
5 | 733 |
6 | 991 |
7 | 1151 |
8 | 1181 |
9 | 1511 |
10 | 1811 |
11 | 3343 |
12 | 3373 |
13 | 3433 |
14 | 3733 |
15 | 7177 |
16 | 7577 |
17 | 7717 |
18 | 7757 |
19 | 11161 |
20 | 16111 |
21 | 77797 |
22 | 79777 |
23 | 98999 |
24 | 99989 |
25 | 111119 |
26 | 111211 |
27 | 112111 |
28 | 323333 |
29 | 333323 |
30 | 333337 |
31 | 333433 |
32 | 334333 |
33 | 733333 |
34 | 777787 |
35 | 777877 |
36 | 778777 |
37 | 787777 |
38 | 911111 |
[113,199,311,337,733,991,1151,1181,1511,1811,3343, 3373,3433,3733,7177,7577,7717,7757,11161,16111, 77797,79777,98999,99989,111119,111211,112111, 323333,333323,333337,333433,334333,733333,777787, 777877,778777,787777,911111] |