| n | a(n) |
|---|---|
| 1 | 53 |
| 2 | 153 |
| 3 | 253 |
| 4 | 353 |
| 5 | 453 |
| 6 | 539 |
| 7 | 553 |
| 8 | 653 |
| 9 | 753 |
| 10 | 853 |
| 11 | 953 |
| 12 | 1053 |
| 13 | 1153 |
| 14 | 1253 |
| 15 | 1353 |
| 16 | 1453 |
| 17 | 1539 |
| 18 | 1553 |
| 19 | 1653 |
| 20 | 1753 |
| 21 | 1853 |
| 22 | 1953 |
| 23 | 2053 |
| 24 | 2153 |
| 25 | 2253 |
| 26 | 2353 |
| 27 | 2453 |
| 28 | 2539 |
| 29 | 2553 |
| 30 | 2653 |
| 31 | 2753 |
| 32 | 2853 |
| 33 | 2953 |
| 34 | 3053 |
| 35 | 3153 |
| 36 | 3253 |
| 37 | 3353 |
| 38 | 3453 |
| 39 | 3539 |
[53,153,253,353,453,539,553,653,753,853,953,1053, 1153,1253,1353,1453,1539,1553,1653,1753,1853,1953, 2053,2153,2253,2353,2453,2539,2553,2653,2753,2853, 2953,3053,3153,3253,3353,3453,3539] |