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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 31 |
| 4 | 43 |
| 5 | 53 |
| 6 | 61 |
| 7 | 73 |
| 8 | 83 |
| 9 | 97 |
| 10 | 109 |
| 11 | 113 |
| 12 | 127 |
| 13 | 139 |
| 14 | 149 |
| 15 | 1511 |
| 16 | 1613 |
| 17 | 179 |
| 18 | 1811 |
| 19 | 1913 |
| 20 | 2017 |
| 21 | 2113 |
| 22 | 2221 |
| 23 | 2311 |
| 24 | 2423 |
| 25 | 2521 |
| 26 | 2621 |
| 27 | 2719 |
| 28 | 2819 |
| 29 | 2927 |
| 30 | 3023 |
| 31 | 3121 |
| 32 | 3229 |
| 33 | 3331 |
| 34 | 3433 |
| 35 | 3533 |
| 36 | 3631 |
| 37 | 3733 |
| 38 | 3833 |
| 39 | 3931 |
| 40 | 4027 |
| 41 | 4139 |
| 42 | 4241 |
| 43 | 4339 |
| 44 | 4441 |
| 45 | 4523 |
| 46 | 4643 |
| 47 | 4733 |
[0,0,31,43,53,61,73,83,97,109,113,127,139,149, 1511,1613,179,1811,1913,2017,2113,2221,2311,2423, 2521,2621,2719,2819,2927,3023,3121,3229,3331,3433, 3533,3631,3733,3833,3931,4027,4139,4241,4339,4441, 4523,4643,4733] |