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| n | a(n) |
|---|---|
| 1 | 30 |
| 2 | 130 |
| 3 | 230 |
| 4 | 300 |
| 5 | 330 |
| 6 | 430 |
| 7 | 530 |
| 8 | 630 |
| 9 | 730 |
| 10 | 830 |
| 11 | 930 |
| 12 | 1030 |
| 13 | 1130 |
| 14 | 1230 |
| 15 | 1300 |
| 16 | 1330 |
| 17 | 1430 |
| 18 | 1530 |
| 19 | 1630 |
| 20 | 1730 |
| 21 | 1830 |
| 22 | 1930 |
| 23 | 2030 |
| 24 | 2130 |
| 25 | 2230 |
| 26 | 2300 |
| 27 | 2330 |
| 28 | 2430 |
| 29 | 2530 |
| 30 | 2630 |
| 31 | 2730 |
| 32 | 2830 |
| 33 | 2930 |
| 34 | 3000 |
| 35 | 3130 |
| 36 | 3230 |
| 37 | 3300 |
| 38 | 3330 |
| 39 | 3430 |
[30,130,230,300,330,430,530,630,730,830,930,1030, 1130,1230,1300,1330,1430,1530,1630,1730,1830,1930, 2030,2130,2230,2300,2330,2430,2530,2630,2730,2830, 2930,3000,3130,3230,3300,3330,3430] |