| n | a(n) |
|---|---|
| 1 | 31 |
| 2 | 131 |
| 3 | 151 |
| 4 | 155 |
| 5 | 157 |
| 6 | 158 |
| 7 | 161 |
| 8 | 166 |
| 9 | 181 |
| 10 | 206 |
| 11 | 281 |
| 12 | 406 |
| 13 | 631 |
| 14 | 651 |
| 15 | 655 |
| 16 | 657 |
| 17 | 658 |
| 18 | 661 |
| 19 | 666 |
| 20 | 681 |
| 21 | 706 |
| 22 | 751 |
| 23 | 755 |
| 24 | 757 |
| 25 | 758 |
| 26 | 761 |
| 27 | 766 |
| 28 | 775 |
| 29 | 777 |
| 30 | 778 |
| 31 | 785 |
| 32 | 787 |
| 33 | 788 |
| 34 | 790 |
| 35 | 792 |
| 36 | 793 |
| 37 | 801 |
| 38 | 805 |
| 39 | 807 |
| 40 | 808 |
| 41 | 811 |
| 42 | 816 |
| 43 | 826 |
| 44 | 830 |
| 45 | 832 |
| 46 | 833 |
[31,131,151,155,157,158,161,166,181,206,281,406, 631,651,655,657,658,661,666,681,706,751,755,757, 758,761,766,775,777,778,785,787,788,790,792,793, 801,805,807,808,811,816,826,830,832,833] |