n | a(n) |
---|---|
1 | 9 |
2 | 19 |
3 | 33 |
4 | 91 |
5 | 119 |
6 | 133 |
7 | 191 |
8 | 313 |
9 | 331 |
10 | 911 |
11 | 1119 |
12 | 1133 |
13 | 1191 |
14 | 1313 |
15 | 1331 |
16 | 1911 |
17 | 3113 |
18 | 3131 |
19 | 3311 |
20 | 9111 |
21 | 11119 |
22 | 11133 |
23 | 11191 |
24 | 11313 |
25 | 11331 |
26 | 11911 |
27 | 13113 |
28 | 13131 |
29 | 13311 |
30 | 19111 |
31 | 31113 |
32 | 31131 |
33 | 31311 |
34 | 33111 |
35 | 91111 |
36 | 111119 |
37 | 111133 |
38 | 111191 |
39 | 111313 |
40 | 111331 |
[9,19,33,91,119,133,191,313,331,911,1119,1133, 1191,1313,1331,1911,3113,3131,3311,9111,11119, 11133,11191,11313,11331,11911,13113,13131,13311, 19111,31113,31131,31311,33111,91111,111119,111133, 111191,111313,111331] |